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Finding the Third Proportional to 124,728 and 267,000

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Solution

The third proportional to 124,728 and 267,000 is: 571,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,728 : 267,000 = 267,000 : x
  2. Step 2: Convert to fraction form
    124,728/267,000 = 267,000/x
  3. Step 3: Cross multiply
    124,728x = 267,000 × 267,000
  4. Step 4: Simplify right side
    124,728x = 71,289,000,000
  5. Step 5: Solve for x
    x = 71,289,000,000/124,728
  6. Step 6: Final answer
    x = 571,555.71

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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.