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Finding the Third Proportional to 23,782 and 36,812

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Solution

The third proportional to 23,782 and 36,812 is: 56,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782 : 36,812 = 36,812 : x
  2. Step 2: Convert to fraction form
    23,782/36,812 = 36,812/x
  3. Step 3: Cross multiply
    23,782x = 36,812 × 36,812
  4. Step 4: Simplify right side
    23,782x = 1,355,123,344
  5. Step 5: Solve for x
    x = 1,355,123,344/23,782
  6. Step 6: Final answer
    x = 56,981.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.