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Finding the Third Proportional to 13,067 and 19,722

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Solution

The third proportional to 13,067 and 19,722 is: 29,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067 : 19,722 = 19,722 : x
  2. Step 2: Convert to fraction form
    13,067/19,722 = 19,722/x
  3. Step 3: Cross multiply
    13,067x = 19,722 × 19,722
  4. Step 4: Simplify right side
    13,067x = 388,957,284
  5. Step 5: Solve for x
    x = 388,957,284/13,067
  6. Step 6: Final answer
    x = 29,766.38

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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.