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Finding the Third Proportional to 126,687.94 and 275,427.56

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Solution

The third proportional to 126,687.94 and 275,427.56 is: 598,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,687.94 : 275,427.56 = 275,427.56 : x
  2. Step 2: Convert to fraction form
    126,687.94/275,427.56 = 275,427.56/x
  3. Step 3: Cross multiply
    126,687.94x = 275,427.56 × 275,427.56
  4. Step 4: Simplify right side
    126,687.94x = 75,860,342,184.69
  5. Step 5: Solve for x
    x = 75,860,342,184.69/126,687.94
  6. Step 6: Final answer
    x = 598,796.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.