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Finding the Third Proportional to 70,720,755 and 106,344,342

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Solution

The third proportional to 70,720,755 and 106,344,342 is: 159,912,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,720,755 : 106,344,342 = 106,344,342 : x
  2. Step 2: Convert to fraction form
    70,720,755/106,344,342 = 106,344,342/x
  3. Step 3: Cross multiply
    70,720,755x = 106,344,342 × 106,344,342
  4. Step 4: Simplify right side
    70,720,755x = 11,309,119,075,412,964
  5. Step 5: Solve for x
    x = 11,309,119,075,412,964/70,720,755
  6. Step 6: Final answer
    x = 159,912,306.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.