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Finding the Third Proportional to 39,375,778.50 and 56,722,348.50

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Solution

The third proportional to 39,375,778.50 and 56,722,348.50 is: 81,710,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375,778.50 : 56,722,348.50 = 56,722,348.50 : x
  2. Step 2: Convert to fraction form
    39,375,778.50/56,722,348.50 = 56,722,348.50/x
  3. Step 3: Cross multiply
    39,375,778.50x = 56,722,348.50 × 56,722,348.50
  4. Step 4: Simplify right side
    39,375,778.50x = 3,217,424,819,355,452
  5. Step 5: Solve for x
    x = 3,217,424,819,355,452/39,375,778.50
  6. Step 6: Final answer
    x = 81,710,760.83

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.