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Finding the Third Proportional to 74,884.50 and 125,934.75

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Solution

The third proportional to 74,884.50 and 125,934.75 is: 211,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.50 : 125,934.75 = 125,934.75 : x
  2. Step 2: Convert to fraction form
    74,884.50/125,934.75 = 125,934.75/x
  3. Step 3: Cross multiply
    74,884.50x = 125,934.75 × 125,934.75
  4. Step 4: Simplify right side
    74,884.50x = 15,859,561,257.56
  5. Step 5: Solve for x
    x = 15,859,561,257.56/74,884.50
  6. Step 6: Final answer
    x = 211,786.97

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.