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Finding the Third Proportional to 74,800.50 and 124,660.50

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Solution

The third proportional to 74,800.50 and 124,660.50 is: 207,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.50 : 124,660.50 = 124,660.50 : x
  2. Step 2: Convert to fraction form
    74,800.50/124,660.50 = 124,660.50/x
  3. Step 3: Cross multiply
    74,800.50x = 124,660.50 × 124,660.50
  4. Step 4: Simplify right side
    74,800.50x = 15,540,240,260.25
  5. Step 5: Solve for x
    x = 15,540,240,260.25/74,800.50
  6. Step 6: Final answer
    x = 207,755.83

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.