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Finding the Third Proportional to 33,012 and 71,285

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Solution

The third proportional to 33,012 and 71,285 is: 153,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012 : 71,285 = 71,285 : x
  2. Step 2: Convert to fraction form
    33,012/71,285 = 71,285/x
  3. Step 3: Cross multiply
    33,012x = 71,285 × 71,285
  4. Step 4: Simplify right side
    33,012x = 5,081,551,225
  5. Step 5: Solve for x
    x = 5,081,551,225/33,012
  6. Step 6: Final answer
    x = 153,930.43

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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.