The value of "x" is 10
Solution:
Given that, we have to find the missing proportion
The given proportion is:
![(2)/(3) = (x)/(15)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/m1eyt5764of0h7h5ke1h0n7ec93bso05xb.png)
We can solve the above proportion by cross multiplying
Multiply the numerator of the first fraction by the denominator of the second fraction
Multiply the numerator of the second fraction by the denominator of the first fraction
Solve for variable "x"
![(2)/(3) = (x)/(15)\\\\2 * 15 = x * 3\\\\30 = 3x\\\\\text{Divide both sides of equation by 3}\\\\x = 10](https://img.qammunity.org/2021/formulas/mathematics/middle-school/ui54ih4pcus6q7ka1gs0cbpvntcnbwx7s0.png)
Thus the missing number is 10