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प्रश्न
Find the third proportion to the following :
`9/25` and `18/25`
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उत्तर
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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