Third proportion of 9 and 12

1.	Third proportion of 9 and 12
Answer» ${\orange{\underline{\underline{\bf{\bigstar\:\: Solution : \:\:\bigstar}}}}}\\$ in most proportion mean proportion are same so, the last terms CALLED third proportion. ✪ **LET, the third proportion be x**. ✪ 9 : 12 :: 12 : x $⇒ \frac{9}{<klux>12</klux>} = \frac{12}{x}$ $⇒ \frac{\cancel{9}}{\cancel{12}} = \frac{12}{x}$ $⇒ \frac{3}{4} = \frac{12}{x}$ $⇒ 3x = 48$ $⇒ x = \frac{48}{3}$ $⇒ x = \frac{\cancel{48}}{\cancel{3}}$ $⇒ x = 16$ ✪ ${\green{\boxed{\boxed{\bf{\bigstar\:\: Answer : 16 \:\:\bigstar}}}}}\\$ ✪

Answer»

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