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Finding the Third Proportional to 13,832 and 20,816

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Solution

The third proportional to 13,832 and 20,816 is: 31,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832 : 20,816 = 20,816 : x
  2. Step 2: Convert to fraction form
    13,832/20,816 = 20,816/x
  3. Step 3: Cross multiply
    13,832x = 20,816 × 20,816
  4. Step 4: Simplify right side
    13,832x = 433,305,856
  5. Step 5: Solve for x
    x = 433,305,856/13,832
  6. Step 6: Final answer
    x = 31,326.33

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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.