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Finding the Third Proportional to 126,643.50 and 267,817.50

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Solution

The third proportional to 126,643.50 and 267,817.50 is: 566,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,643.50 : 267,817.50 = 267,817.50 : x
  2. Step 2: Convert to fraction form
    126,643.50/267,817.50 = 267,817.50/x
  3. Step 3: Cross multiply
    126,643.50x = 267,817.50 × 267,817.50
  4. Step 4: Simplify right side
    126,643.50x = 71,726,213,306.25
  5. Step 5: Solve for x
    x = 71,726,213,306.25/126,643.50
  6. Step 6: Final answer
    x = 566,363.16

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.