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Finding the Third Proportional to 8,732 and 13,750

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Solution

The third proportional to 8,732 and 13,750 is: 21,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732 : 13,750 = 13,750 : x
  2. Step 2: Convert to fraction form
    8,732/13,750 = 13,750/x
  3. Step 3: Cross multiply
    8,732x = 13,750 × 13,750
  4. Step 4: Simplify right side
    8,732x = 189,062,500
  5. Step 5: Solve for x
    x = 189,062,500/8,732
  6. Step 6: Final answer
    x = 21,651.68

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.