prime factorizing, 63 = 3*3*7 and 28 = 2*2*7, so the answer is 7.
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28*36*63=63504
To find the percentage of one number in relation to another number then divide the relative number (in this case 28) by the base number (in this case 63) and multiply the result by 100.100 x 28/63 = 44.44% (2dp)
63 is 225% of 28. 28 is 44.4% of 63.
63 is 225% of 28. 28 is 44.4% of 63.
28/63 = 4/9 28/7=4 63/7=9