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Finding the Third Proportional to 6,115.50 and 11,592

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Solution

The third proportional to 6,115.50 and 11,592 is: 21,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.50 : 11,592 = 11,592 : x
  2. Step 2: Convert to fraction form
    6,115.50/11,592 = 11,592/x
  3. Step 3: Cross multiply
    6,115.50x = 11,592 × 11,592
  4. Step 4: Simplify right side
    6,115.50x = 134,374,464
  5. Step 5: Solve for x
    x = 134,374,464/6,115.50
  6. Step 6: Final answer
    x = 21,972.77

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.