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Finding the Third Proportional to 69,115.50 and 150,741

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Solution

The third proportional to 69,115.50 and 150,741 is: 328,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115.50 : 150,741 = 150,741 : x
  2. Step 2: Convert to fraction form
    69,115.50/150,741 = 150,741/x
  3. Step 3: Cross multiply
    69,115.50x = 150,741 × 150,741
  4. Step 4: Simplify right side
    69,115.50x = 22,722,849,081
  5. Step 5: Solve for x
    x = 22,722,849,081/69,115.50
  6. Step 6: Final answer
    x = 328,766.33

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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.