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Finding the Third Proportional to 33,277 and 71,881

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Solution

The third proportional to 33,277 and 71,881 is: 155,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,277 : 71,881 = 71,881 : x
  2. Step 2: Convert to fraction form
    33,277/71,881 = 71,881/x
  3. Step 3: Cross multiply
    33,277x = 71,881 × 71,881
  4. Step 4: Simplify right side
    33,277x = 5,166,878,161
  5. Step 5: Solve for x
    x = 5,166,878,161/33,277
  6. Step 6: Final answer
    x = 155,268.75

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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.