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Finding the Third Proportional to 7,379 and 11,069

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Solution

The third proportional to 7,379 and 11,069 is: 16,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379 : 11,069 = 11,069 : x
  2. Step 2: Convert to fraction form
    7,379/11,069 = 11,069/x
  3. Step 3: Cross multiply
    7,379x = 11,069 × 11,069
  4. Step 4: Simplify right side
    7,379x = 122,522,761
  5. Step 5: Solve for x
    x = 122,522,761/7,379
  6. Step 6: Final answer
    x = 16,604.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.