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Finding the Third Proportional to 124,776 and 267,120

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Solution

The third proportional to 124,776 and 267,120 is: 571,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,776 : 267,120 = 267,120 : x
  2. Step 2: Convert to fraction form
    124,776/267,120 = 267,120/x
  3. Step 3: Cross multiply
    124,776x = 267,120 × 267,120
  4. Step 4: Simplify right side
    124,776x = 71,353,094,400
  5. Step 5: Solve for x
    x = 71,353,094,400/124,776
  6. Step 6: Final answer
    x = 571,849.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.