Proportionality: Difference between revisions
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imported>Miaumee Minor C/E fixes. + inline refs. Redo {{for}}. Rewrite lead to focus on direct/inverse proportionality rather than on proportions. - "proportions" from Related Pages (wlked already). + References section. |
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Latest revision as of 01:46, 20 September 2020
A proportionality relationship happens when two quantities or numbers x and y are related multiplicatively by a fixed number. This can occur when either their ratio x/y is a fixed number (direct proportionality), or their product xy is a fixed number (inverse proportionality). If x is directly proportional to y, then we write .[1] The fixed number of a proportionality relationship is called the constant of proportionality.[2][3]