add a Number that will make the ratios proportional

3:9 = 10:??

??:8 = 12:2

4:6 = ?:9

?:5 = 70:1

50:30 = ??:6

7:?? = 4:3.5

??:2 = 3:12

asked by guest
on Jan 13, 2025 at 12:06 pm



Mathbot Says...

I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.