Question

find mean proportional of 4 and 25

Answer 1

$\bold{\huge \: mean \: proportional : }$
$\\ \\ \\ \\ \bold{welcome \: to \: this \: new \: point : }$
$\\ \\ \\ \\ \bold{mean \: proportional \: is \:the \: word \: which \: is } \\ \bold{used \: in \: many \: algebric \: and \: also \: geometric\:problems}$
$\\ \\ \\ \\\bold{it \: simply \: mean : } \\ \\ \bold{{b}^{2} = a \times c} \\ \\ \\ \\ here \: \\ \\ a = first \: term \: given \: \\ \\ b = \: the \: term \: which \: is \: to \: be \: find \: out \: \\ \\ c = the \: third \: term \: given$
$\bold{from \: the \: given \: \: question : }\\ \\ a = 4 \\ \\ c = 25$
$\bold{ {b}^{2} = 4 \times 25} \\ \\ {b}^{2} = 100 \\ \\ b = \sqrt{100} \\ \\ \bold{b = 10}$