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Finding the Third Proportional to 49,736 and 77,125

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Solution

The third proportional to 49,736 and 77,125 is: 119,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736 : 77,125 = 77,125 : x
  2. Step 2: Convert to fraction form
    49,736/77,125 = 77,125/x
  3. Step 3: Cross multiply
    49,736x = 77,125 × 77,125
  4. Step 4: Simplify right side
    49,736x = 5,948,265,625
  5. Step 5: Solve for x
    x = 5,948,265,625/49,736
  6. Step 6: Final answer
    x = 119,596.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.