The number of girls in the school chorus is 1.5 times that of boys. What is the proportion of boys to girls? What is the proportion of girls in the total number of chorus?

The number of girls in the school chorus is 1.5 times that of boys. What is the proportion of boys to girls? What is the proportion of girls in the total number of chorus?

a/1.5a+2/3
1.5a/a+1.5a=3/5