About: Proportionality (mathematics)

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In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, which is called the coefficient of proportionality or proportionality constant. Two sequences are inversely proportional if corresponding elements have a constant product, also called the coefficient of proportionality. Two functions and are proportional if their ratio is a constant function.

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rdf:type	Thing
rdfs:label	Proportionality (mathematics) (en)
rdfs:comment	In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, which is called the coefficient of proportionality or proportionality constant. Two sequences are inversely proportional if corresponding elements have a constant product, also called the coefficient of proportionality. Two functions and are proportional if their ratio is a constant function. (en)
rdfs:seeAlso	Equals sign
sameAs	Proportionality (mathematics) Proportionality (mathematics)
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Subject	Ratios Mathematical terminology
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Proportionality_(mathematics)?oldid=1071992795&ns=0
Wikipage page ID	81863 (xsd:integer)
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has abstract	In mathematics, two sequences of numbers, often experimental data, are proportional or directly proportional if their corresponding elements have a constant ratio, which is called the coefficient of proportionality or proportionality constant. Two sequences are inversely proportional if corresponding elements have a constant product, also called the coefficient of proportionality. This definition is commonly extended to related varying quantities, which are often called variables. This meaning of variable is not the common meaning of the term in mathematics (see variable (mathematics)); these two different concepts share the same name for historical reasons. Two functions and are proportional if their ratio is a constant function. If several pairs of variables share the same direct proportionality constant, the equation expressing the equality of these ratios is called a proportion, e.g., a/b = x/y = ⋯ = k (for details see Ratio).Proportionality is closely related to linearity. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Proportionality_(mathematics)
is Wikipage redirect of	Inverse proportion Inversely correlated ∝ ∷ ∺ ≁ Direct proportion Direct relation Direct variation Directly proportional Geometric proportion Law of Joint Variation Logarithmic proportionality Inverse proportionality Inverse variation Inversely proportional \propto Direct proportionality Direct relationship Exponential and logarithmic proportionality Exponential proportionality Coefficient of proportionality Constant of proportionality Constant of variation Positive relationship Proportion (mathematics) Proportion sign Proportional (mathematics) Proportional vectors Proportionality (physics) Proportionality constant Proportionality factor Proportionality sign Propto
is Link from a Wikipage to another Wikipage of	FlowFET Force Fractal flame Gregory Benford List of statistics articles Lituus (mathematics) Loan-to-value ratio Logarithm Logistic map Macintosh Font X encoding Nonlinear system Nuclear magnetic resonance OMS encoding Inverse proportion Inversely correlated 1829 braille AP Studio Art Acceleration Active noise control Ahmad ibn Yusuf Algorithmic efficiency Almost periodic function Alpha Amplifier Analog-to-digital converter Analogue modelling (geology) Analogue (literature) Ant on a rubber rope Apportionment paradox Approximation Arbelos Archytas Area Area of a circle Aristotelian physics Articulation Index Articulatory phonetics Astronomical spectroscopy Atom Avogadro's law

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