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Finding the Third Proportional to 61,205,344.50 and 129,318,982.50

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Solution

The third proportional to 61,205,344.50 and 129,318,982.50 is: 273,234,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,344.50 : 129,318,982.50 = 129,318,982.50 : x
  2. Step 2: Convert to fraction form
    61,205,344.50/129,318,982.50 = 129,318,982.50/x
  3. Step 3: Cross multiply
    61,205,344.50x = 129,318,982.50 × 129,318,982.50
  4. Step 4: Simplify right side
    61,205,344.50x = 16,723,399,234,835,306
  5. Step 5: Solve for x
    x = 16,723,399,234,835,306/61,205,344.50
  6. Step 6: Final answer
    x = 273,234,296.31

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.