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Finding the Third Proportional to 10,198 and 13,761

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Solution

The third proportional to 10,198 and 13,761 is: 18,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198 : 13,761 = 13,761 : x
  2. Step 2: Convert to fraction form
    10,198/13,761 = 13,761/x
  3. Step 3: Cross multiply
    10,198x = 13,761 × 13,761
  4. Step 4: Simplify right side
    10,198x = 189,365,121
  5. Step 5: Solve for x
    x = 189,365,121/10,198
  6. Step 6: Final answer
    x = 18,568.85

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.