What are three equivalent ratios to. 19 to 38

Three equivalent ratios to 19:38 are: 38:76, 54:114, and 76:152

You can solve this by multiplying the ratio on both sides by any number, so we can do times 2, 3, and 4. Multiply 2 by 19 and by 38 on the other side so that you get 38:76. Next you can do 3 times 19 and by 38 to get 57:114. Lastly you want to do 4 times 19 and by 38 to get 76:152.