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Finding the Third Proportional to 33,387 and 51,996

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Solution

The third proportional to 33,387 and 51,996 is: 80,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387 : 51,996 = 51,996 : x
  2. Step 2: Convert to fraction form
    33,387/51,996 = 51,996/x
  3. Step 3: Cross multiply
    33,387x = 51,996 × 51,996
  4. Step 4: Simplify right side
    33,387x = 2,703,584,016
  5. Step 5: Solve for x
    x = 2,703,584,016/33,387
  6. Step 6: Final answer
    x = 80,977.15

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.