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Finding the Third Proportional to 141,882.75 and 305,291.25

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Solution

The third proportional to 141,882.75 and 305,291.25 is: 656,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,882.75 : 305,291.25 = 305,291.25 : x
  2. Step 2: Convert to fraction form
    141,882.75/305,291.25 = 305,291.25/x
  3. Step 3: Cross multiply
    141,882.75x = 305,291.25 × 305,291.25
  4. Step 4: Simplify right side
    141,882.75x = 93,202,747,326.56
  5. Step 5: Solve for x
    x = 93,202,747,326.56/141,882.75
  6. Step 6: Final answer
    x = 656,899.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.