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Finding the Third Proportional to 39,470 and 62,805

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Solution

The third proportional to 39,470 and 62,805 is: 99,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470 : 62,805 = 62,805 : x
  2. Step 2: Convert to fraction form
    39,470/62,805 = 62,805/x
  3. Step 3: Cross multiply
    39,470x = 62,805 × 62,805
  4. Step 4: Simplify right side
    39,470x = 3,944,468,025
  5. Step 5: Solve for x
    x = 3,944,468,025/39,470
  6. Step 6: Final answer
    x = 99,935.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.