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Finding the Third Proportional to 123,137.25 and 267,840.75

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Solution

The third proportional to 123,137.25 and 267,840.75 is: 582,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,137.25 : 267,840.75 = 267,840.75 : x
  2. Step 2: Convert to fraction form
    123,137.25/267,840.75 = 267,840.75/x
  3. Step 3: Cross multiply
    123,137.25x = 267,840.75 × 267,840.75
  4. Step 4: Simplify right side
    123,137.25x = 71,738,667,360.56
  5. Step 5: Solve for x
    x = 71,738,667,360.56/123,137.25
  6. Step 6: Final answer
    x = 582,591.11

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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.