Finding the Third Proportional to 42,107,789 and 63,472,733
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Solution
The third proportional to 42,107,789 and 63,472,733 is: 95,677,971.47
Step by Step Solution
- Step 1: Write the proportion equation
42,107,789 : 63,472,733 = 63,472,733 : x - Step 2: Convert to fraction form
42,107,789/63,472,733 = 63,472,733/x - Step 3: Cross multiply
42,107,789x = 63,472,733 × 63,472,733 - Step 4: Simplify right side
42,107,789x = 4,028,787,834,489,289 - Step 5: Solve for x
x = 4,028,787,834,489,289/42,107,789 - Step 6: Final answer
x = 95,677,971.47
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.