9: What's the ratio of 2 / 3? What's another ratio and its constituent ratio?

9: What's the ratio of 2 / 3? What's another ratio and its constituent ratio?

9：2/3=9÷2/3=13.5,9：2/3=27：2

Find the ratio 1:1 / 4 =? 1:10 / 9 =? 1 / 2:2 =? 0.15:1 =? 1.5:3 =? 0.5:0.1=

1:1/4=4 1:10/9=9/10 1/2:2=1/4 0.15:1=0.15 1.5:3=0.5 0.5:0.1=5

Write two numbers whose ratio is 2.5 and make up the proportion
Wen Mang

5: 2 = 2.5, that is, to make X: y = 2.5, as long as X and y are the corresponding multiples of 5 and 2 respectively, we can get countless numbers with a ratio of 2.5, such as 10:4 = 2.5 (x = 10, y = 4, X and y are two times of 5 and 2 respectively),
20:8=2.5
40:16=2.5.