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Find the Third Proportion to the Following : - ICSE Class 10 - Mathematics

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Question

Find the third proportion to the following :

`9/25` and `18/25`

Solution

Let x be the third proportion 

`9/25 : 18/25 :: 18/25 : "x"`

`=> 9/25 xx "x" = 18/25 xx 18/25`

`= "x" = 18/25 xx 18/25 xx 25/9`

`= "x" = 36/25`

The third proportion is `36/25`

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APPEARS IN

 Frank Solution for Frank Class 10 Mathematics Part 2 (2016 to Current)
Chapter 9: Ratio and Proportion
Exercise 9.2 | Q: 3.4

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Solution Find the Third Proportion to the Following : Concept: Proportions.
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