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Finding the Third Proportional to 33,992 and 49,987

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Solution

The third proportional to 33,992 and 49,987 is: 73,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992 : 49,987 = 49,987 : x
  2. Step 2: Convert to fraction form
    33,992/49,987 = 49,987/x
  3. Step 3: Cross multiply
    33,992x = 49,987 × 49,987
  4. Step 4: Simplify right side
    33,992x = 2,498,700,169
  5. Step 5: Solve for x
    x = 2,498,700,169/33,992
  6. Step 6: Final answer
    x = 73,508.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.