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Finding the Third Proportional to 13,192 and 19,916

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Solution

The third proportional to 13,192 and 19,916 is: 30,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192 : 19,916 = 19,916 : x
  2. Step 2: Convert to fraction form
    13,192/19,916 = 19,916/x
  3. Step 3: Cross multiply
    13,192x = 19,916 × 19,916
  4. Step 4: Simplify right side
    13,192x = 396,647,056
  5. Step 5: Solve for x
    x = 396,647,056/13,192
  6. Step 6: Final answer
    x = 30,067.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.