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Finding the Third Proportional to 124,129.50 and 267,934.50

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Solution

The third proportional to 124,129.50 and 267,934.50 is: 578,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,129.50 : 267,934.50 = 267,934.50 : x
  2. Step 2: Convert to fraction form
    124,129.50/267,934.50 = 267,934.50/x
  3. Step 3: Cross multiply
    124,129.50x = 267,934.50 × 267,934.50
  4. Step 4: Simplify right side
    124,129.50x = 71,788,896,290.25
  5. Step 5: Solve for x
    x = 71,788,896,290.25/124,129.50
  6. Step 6: Final answer
    x = 578,338.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.