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Finding the Third Proportional to 126,408 and 267,072

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Solution

The third proportional to 126,408 and 267,072 is: 564,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,408 : 267,072 = 267,072 : x
  2. Step 2: Convert to fraction form
    126,408/267,072 = 267,072/x
  3. Step 3: Cross multiply
    126,408x = 267,072 × 267,072
  4. Step 4: Simplify right side
    126,408x = 71,327,453,184
  5. Step 5: Solve for x
    x = 71,327,453,184/126,408
  6. Step 6: Final answer
    x = 564,263.76

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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.