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Finding the Third Proportional to 8,650 and 13,229

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Solution

The third proportional to 8,650 and 13,229 is: 20,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650 : 13,229 = 13,229 : x
  2. Step 2: Convert to fraction form
    8,650/13,229 = 13,229/x
  3. Step 3: Cross multiply
    8,650x = 13,229 × 13,229
  4. Step 4: Simplify right side
    8,650x = 175,006,441
  5. Step 5: Solve for x
    x = 175,006,441/8,650
  6. Step 6: Final answer
    x = 20,231.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.