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Finding the Third Proportional to 12,992 and 16,544

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Solution

The third proportional to 12,992 and 16,544 is: 21,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992 : 16,544 = 16,544 : x
  2. Step 2: Convert to fraction form
    12,992/16,544 = 16,544/x
  3. Step 3: Cross multiply
    12,992x = 16,544 × 16,544
  4. Step 4: Simplify right side
    12,992x = 273,703,936
  5. Step 5: Solve for x
    x = 273,703,936/12,992
  6. Step 6: Final answer
    x = 21,067.11

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.