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Finding the Third Proportional to 8,009 and 9,449

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Solution

The third proportional to 8,009 and 9,449 is: 11,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009 : 9,449 = 9,449 : x
  2. Step 2: Convert to fraction form
    8,009/9,449 = 9,449/x
  3. Step 3: Cross multiply
    8,009x = 9,449 × 9,449
  4. Step 4: Simplify right side
    8,009x = 89,283,601
  5. Step 5: Solve for x
    x = 89,283,601/8,009
  6. Step 6: Final answer
    x = 11,147.91

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.