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Finding the Third Proportional to 122,676 and 264,692

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Solution

The third proportional to 122,676 and 264,692 is: 571,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,676 : 264,692 = 264,692 : x
  2. Step 2: Convert to fraction form
    122,676/264,692 = 264,692/x
  3. Step 3: Cross multiply
    122,676x = 264,692 × 264,692
  4. Step 4: Simplify right side
    122,676x = 70,061,854,864
  5. Step 5: Solve for x
    x = 70,061,854,864/122,676
  6. Step 6: Final answer
    x = 571,112.97

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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.