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Finding the Third Proportional to 33,542 and 48,945

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Solution

The third proportional to 33,542 and 48,945 is: 71,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,542 : 48,945 = 48,945 : x
  2. Step 2: Convert to fraction form
    33,542/48,945 = 48,945/x
  3. Step 3: Cross multiply
    33,542x = 48,945 × 48,945
  4. Step 4: Simplify right side
    33,542x = 2,395,613,025
  5. Step 5: Solve for x
    x = 2,395,613,025/33,542
  6. Step 6: Final answer
    x = 71,421.29

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.