Basic Mathematics
# Ratio, Rate, and Proportion

The ratio 2 to 3 is equivalent to the ratio $12 : N$. What is the value of $N$?

For what value of $N$ do we have

$5 : 8 = 25 : N ?$

For what value of $N$ do we have

$2 : 7 = 6 : N ?$

For what value of $N$ do we have

$10 : 16 = 40 : N ?$