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Finding the Third Proportional to 11,840 and 18,016

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Solution

The third proportional to 11,840 and 18,016 is: 27,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840 : 18,016 = 18,016 : x
  2. Step 2: Convert to fraction form
    11,840/18,016 = 18,016/x
  3. Step 3: Cross multiply
    11,840x = 18,016 × 18,016
  4. Step 4: Simplify right side
    11,840x = 324,576,256
  5. Step 5: Solve for x
    x = 324,576,256/11,840
  6. Step 6: Final answer
    x = 27,413.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.