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Finding the Third Proportional to 8,581 and 18,099

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Solution

The third proportional to 8,581 and 18,099 is: 38,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581 : 18,099 = 18,099 : x
  2. Step 2: Convert to fraction form
    8,581/18,099 = 18,099/x
  3. Step 3: Cross multiply
    8,581x = 18,099 × 18,099
  4. Step 4: Simplify right side
    8,581x = 327,573,801
  5. Step 5: Solve for x
    x = 327,573,801/8,581
  6. Step 6: Final answer
    x = 38,174.32

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.