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Finding the Third Proportional to 40,917 and 53,802

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Solution

The third proportional to 40,917 and 53,802 is: 70,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917 : 53,802 = 53,802 : x
  2. Step 2: Convert to fraction form
    40,917/53,802 = 53,802/x
  3. Step 3: Cross multiply
    40,917x = 53,802 × 53,802
  4. Step 4: Simplify right side
    40,917x = 2,894,655,204
  5. Step 5: Solve for x
    x = 2,894,655,204/40,917
  6. Step 6: Final answer
    x = 70,744.56

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.