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Finding the Third Proportional to 8,766 and 20,464

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Solution

The third proportional to 8,766 and 20,464 is: 47,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766 : 20,464 = 20,464 : x
  2. Step 2: Convert to fraction form
    8,766/20,464 = 20,464/x
  3. Step 3: Cross multiply
    8,766x = 20,464 × 20,464
  4. Step 4: Simplify right side
    8,766x = 418,775,296
  5. Step 5: Solve for x
    x = 418,775,296/8,766
  6. Step 6: Final answer
    x = 47,772.68

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.