Question

find mean proportional between 9 and 16​

Answer 1

$\huge{Answer}$

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$mean \: proportion \: \\ {b}^{2} = ac$

$= > {b}^{2} = 9 \times 16 \\ = > {b}^{2} = 144 \\ = > b = \sqrt{144 } \\ = > b = 12$

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