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Find the mean proportional between i-)1.25 and 1.8 ii-)253 and27

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Mean proportional between 1.25 and 1.8 $=sqrt1.25 imes1.8$ = $sqrt2.25$ = $1.5$
Mean proportional between $frac253$ and $27$ = $sqrtfrac253 imes27=sqrt25 imes9=sqrt225=15$

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Deependra Verma

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