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Finding the Third Proportional to 14,866 and 20,617

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Solution

The third proportional to 14,866 and 20,617 is: 28,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866 : 20,617 = 20,617 : x
  2. Step 2: Convert to fraction form
    14,866/20,617 = 20,617/x
  3. Step 3: Cross multiply
    14,866x = 20,617 × 20,617
  4. Step 4: Simplify right side
    14,866x = 425,060,689
  5. Step 5: Solve for x
    x = 425,060,689/14,866
  6. Step 6: Final answer
    x = 28,592.81

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.