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Finding the Third Proportional to 77,727.75 and 123,600.75

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Solution

The third proportional to 77,727.75 and 123,600.75 is: 196,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,727.75 : 123,600.75 = 123,600.75 : x
  2. Step 2: Convert to fraction form
    77,727.75/123,600.75 = 123,600.75/x
  3. Step 3: Cross multiply
    77,727.75x = 123,600.75 × 123,600.75
  4. Step 4: Simplify right side
    77,727.75x = 15,277,145,400.56
  5. Step 5: Solve for x
    x = 15,277,145,400.56/77,727.75
  6. Step 6: Final answer
    x = 196,546.86

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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.