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Home >> Ratio and Proportion >> Terms (Proportion) >>

## Terms in Ratio Proportion

 First Term Second Term Third Term Fourth Term Extreme Terms Middle Terms

Terms in a Proportion are of the following types:-

1) First Term
2) Second Term
3) Third Term
4) Fourth Term
5) Extreme Terms
6) Middle Terms

e.g. In a statement of Proportion :-
21 : 9 :: 28 : 12
First Term = 21
Second Term = 9
Third Term = 28
Fourth Terms = 12
Extreme Terms = 21 & 12
Middle Terms = 9 & 28

Explanation of these Terms with more examples is available in the above links

Note = When two Ratios are in Proportion, Product of Extreme Terms is always equal to Product of Middle Term

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