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Finding the Third Proportional to 13,086 and 16,992

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Solution

The third proportional to 13,086 and 16,992 is: 22,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086 : 16,992 = 16,992 : x
  2. Step 2: Convert to fraction form
    13,086/16,992 = 16,992/x
  3. Step 3: Cross multiply
    13,086x = 16,992 × 16,992
  4. Step 4: Simplify right side
    13,086x = 288,728,064
  5. Step 5: Solve for x
    x = 288,728,064/13,086
  6. Step 6: Final answer
    x = 22,063.89

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.