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Finding the Third Proportional to 62,682 and 127,785

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Solution

The third proportional to 62,682 and 127,785 is: 260,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,682 : 127,785 = 127,785 : x
  2. Step 2: Convert to fraction form
    62,682/127,785 = 127,785/x
  3. Step 3: Cross multiply
    62,682x = 127,785 × 127,785
  4. Step 4: Simplify right side
    62,682x = 16,329,006,225
  5. Step 5: Solve for x
    x = 16,329,006,225/62,682
  6. Step 6: Final answer
    x = 260,505.51

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.