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Finding the Third Proportional to 126,279 and 188,304.75

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Solution

The third proportional to 126,279 and 188,304.75 is: 280,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,279 : 188,304.75 = 188,304.75 : x
  2. Step 2: Convert to fraction form
    126,279/188,304.75 = 188,304.75/x
  3. Step 3: Cross multiply
    126,279x = 188,304.75 × 188,304.75
  4. Step 4: Simplify right side
    126,279x = 35,458,678,872.56
  5. Step 5: Solve for x
    x = 35,458,678,872.56/126,279
  6. Step 6: Final answer
    x = 280,796.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.