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Finding the Third Proportional to 20,040 and 28,866

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Solution

The third proportional to 20,040 and 28,866 is: 41,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040 : 28,866 = 28,866 : x
  2. Step 2: Convert to fraction form
    20,040/28,866 = 28,866/x
  3. Step 3: Cross multiply
    20,040x = 28,866 × 28,866
  4. Step 4: Simplify right side
    20,040x = 833,245,956
  5. Step 5: Solve for x
    x = 833,245,956/20,040
  6. Step 6: Final answer
    x = 41,579.14

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.