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Finding the Third Proportional to 71,648,843 and 156,712,402

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Solution

The third proportional to 71,648,843 and 156,712,402 is: 342,765,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,843 : 156,712,402 = 156,712,402 : x
  2. Step 2: Convert to fraction form
    71,648,843/156,712,402 = 156,712,402/x
  3. Step 3: Cross multiply
    71,648,843x = 156,712,402 × 156,712,402
  4. Step 4: Simplify right side
    71,648,843x = 24,558,776,940,609,604
  5. Step 5: Solve for x
    x = 24,558,776,940,609,604/71,648,843
  6. Step 6: Final answer
    x = 342,765,855.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.