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Finding the Third Proportional to 8,296 and 12,949

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Solution

The third proportional to 8,296 and 12,949 is: 20,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296 : 12,949 = 12,949 : x
  2. Step 2: Convert to fraction form
    8,296/12,949 = 12,949/x
  3. Step 3: Cross multiply
    8,296x = 12,949 × 12,949
  4. Step 4: Simplify right side
    8,296x = 167,676,601
  5. Step 5: Solve for x
    x = 167,676,601/8,296
  6. Step 6: Final answer
    x = 20,211.74

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.