1) 1/3=?/6=?/18=7/? 2)2/5=6/?=?/25=28/? 3)6/17=?/22=30/?=36/?

Question

1) 1/3=?/6=?/18=7/? 2)2/5=6/?=?/25=28/? 3)6/17=?/22=30/?=36/?

Answer 1

1) 1/3=2/6=6/18=7/21 2) 2/5=6/15=10/25=28/70 3) 6/17=?/22=30/85=36/102