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Finding the Third Proportional to 38,781 and 52,582.50

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Solution

The third proportional to 38,781 and 52,582.50 is: 71,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781 : 52,582.50 = 52,582.50 : x
  2. Step 2: Convert to fraction form
    38,781/52,582.50 = 52,582.50/x
  3. Step 3: Cross multiply
    38,781x = 52,582.50 × 52,582.50
  4. Step 4: Simplify right side
    38,781x = 2,764,919,306.25
  5. Step 5: Solve for x
    x = 2,764,919,306.25/38,781
  6. Step 6: Final answer
    x = 71,295.72

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.