Question

find the mean proportional between 5 and 45

Answer 1

Hey mate here is your answer ⤵⤵⤵

Mean proportion =$\bold {5:x::x:45}$

$\implies$$\bold{5×45={x}^{2} }$

$\implies$$\bold {225={x}^{2} }$

$\implies$$\bold{ {\sqrt {225} }=x}$

$\therefore$$\bold {x=15}$

$<font color="tomato"><marquee><b><i>Hence the proportion is 15 </marquee></font color>$

❤hope it helps you ❤

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