please help me please

Answer:
not all of them are proportional because they do not all equal the same.
Step-by-step explanation:
Answer:
1. yes
2. yes
3. no
Step-by-step explanation:
1.7x2 and 7x3 4x2 and 4x3
2. 6x2 and 6x3 8x2 and 8x3
3. not the right ratios
thats all i got homie