Finding the Third Proportional to 71,645,315 and 156,260,461
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Solution
The third proportional to 71,645,315 and 156,260,461 is: 340,808,490.71
Step by Step Solution
- Step 1: Write the proportion equation
71,645,315 : 156,260,461 = 156,260,461 : x - Step 2: Convert to fraction form
71,645,315/156,260,461 = 156,260,461/x - Step 3: Cross multiply
71,645,315x = 156,260,461 × 156,260,461 - Step 4: Simplify right side
71,645,315x = 24,417,331,671,932,520 - Step 5: Solve for x
x = 24,417,331,671,932,520/71,645,315 - Step 6: Final answer
x = 340,808,490.71
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.