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Finding the Third Proportional to 10,662 and 15,006

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Solution

The third proportional to 10,662 and 15,006 is: 21,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662 : 15,006 = 15,006 : x
  2. Step 2: Convert to fraction form
    10,662/15,006 = 15,006/x
  3. Step 3: Cross multiply
    10,662x = 15,006 × 15,006
  4. Step 4: Simplify right side
    10,662x = 225,180,036
  5. Step 5: Solve for x
    x = 225,180,036/10,662
  6. Step 6: Final answer
    x = 21,119.87

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.