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Finding the Third Proportional to 125,120.25 and 188,760.38

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Solution

The third proportional to 125,120.25 and 188,760.38 is: 284,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,120.25 : 188,760.38 = 188,760.38 : x
  2. Step 2: Convert to fraction form
    125,120.25/188,760.38 = 188,760.38/x
  3. Step 3: Cross multiply
    125,120.25x = 188,760.38 × 188,760.38
  4. Step 4: Simplify right side
    125,120.25x = 35,630,479,170.14
  5. Step 5: Solve for x
    x = 35,630,479,170.14/125,120.25
  6. Step 6: Final answer
    x = 284,769.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.