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Finding the Third Proportional to 71,659,808 and 156,732,197

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Solution

The third proportional to 71,659,808 and 156,732,197 is: 342,799,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659,808 : 156,732,197 = 156,732,197 : x
  2. Step 2: Convert to fraction form
    71,659,808/156,732,197 = 156,732,197/x
  3. Step 3: Cross multiply
    71,659,808x = 156,732,197 × 156,732,197
  4. Step 4: Simplify right side
    71,659,808x = 24,564,981,576,446,808
  5. Step 5: Solve for x
    x = 24,564,981,576,446,808/71,659,808
  6. Step 6: Final answer
    x = 342,799,991.54

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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.