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Finding the Third Proportional to 8,920 and 16,568

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Solution

The third proportional to 8,920 and 16,568 is: 30,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920 : 16,568 = 16,568 : x
  2. Step 2: Convert to fraction form
    8,920/16,568 = 16,568/x
  3. Step 3: Cross multiply
    8,920x = 16,568 × 16,568
  4. Step 4: Simplify right side
    8,920x = 274,498,624
  5. Step 5: Solve for x
    x = 274,498,624/8,920
  6. Step 6: Final answer
    x = 30,773.39

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.