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Finding the Third Proportional to 33,027.75 and 71,442

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Solution

The third proportional to 33,027.75 and 71,442 is: 154,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,027.75 : 71,442 = 71,442 : x
  2. Step 2: Convert to fraction form
    33,027.75/71,442 = 71,442/x
  3. Step 3: Cross multiply
    33,027.75x = 71,442 × 71,442
  4. Step 4: Simplify right side
    33,027.75x = 5,103,959,364
  5. Step 5: Solve for x
    x = 5,103,959,364/33,027.75
  6. Step 6: Final answer
    x = 154,535.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.