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Finding the Third Proportional to 8,664 and 9,937.50

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Solution

The third proportional to 8,664 and 9,937.50 is: 11,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664 : 9,937.50 = 9,937.50 : x
  2. Step 2: Convert to fraction form
    8,664/9,937.50 = 9,937.50/x
  3. Step 3: Cross multiply
    8,664x = 9,937.50 × 9,937.50
  4. Step 4: Simplify right side
    8,664x = 98,753,906.25
  5. Step 5: Solve for x
    x = 98,753,906.25/8,664
  6. Step 6: Final answer
    x = 11,398.19

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.