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Finding the Third Proportional to 62,116 and 87,812

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Solution

The third proportional to 62,116 and 87,812 is: 124,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,116 : 87,812 = 87,812 : x
  2. Step 2: Convert to fraction form
    62,116/87,812 = 87,812/x
  3. Step 3: Cross multiply
    62,116x = 87,812 × 87,812
  4. Step 4: Simplify right side
    62,116x = 7,710,947,344
  5. Step 5: Solve for x
    x = 7,710,947,344/62,116
  6. Step 6: Final answer
    x = 124,137.86

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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.