No, 31000 mg is smaller than 7500 cg. There are 10 milligrams (mg) in 1 centigram (cg), so 7500 cg is equivalent to 75000 mg.
mg=milligrams and cg=centigram
10 mg = 1 cg -> 1 mg = 1/10 cg -> 250 mg = 25 cg
1 cg = 10 mg
1 cg = 10 mg so 100 cg = 10*100 mg = 1000 mg. Simple!
1100 mg 1 cg is 10 mg. 11 cg X 10 is 1100 mg
1 cg = 10 mg. Simple!
37.6 cg = 376 mg
cg
1 cg = 10 mg so 9 cg = 10*9 = 90 mg. Simple!
1 cg = 10 mg so 76 cg = 76*10 = 760 mg. Simple!
10 mg = 1 cg so 0.0018 mg = 0.0018/10 = 0.00018 cg. Simple!