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Finding the Third Proportional to 62,689 and 136,804

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Solution

The third proportional to 62,689 and 136,804 is: 298,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689 : 136,804 = 136,804 : x
  2. Step 2: Convert to fraction form
    62,689/136,804 = 136,804/x
  3. Step 3: Cross multiply
    62,689x = 136,804 × 136,804
  4. Step 4: Simplify right side
    62,689x = 18,715,334,416
  5. Step 5: Solve for x
    x = 18,715,334,416/62,689
  6. Step 6: Final answer
    x = 298,542.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.