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Finding the Third Proportional to 33,956 and 75,688

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Solution

The third proportional to 33,956 and 75,688 is: 168,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,956 : 75,688 = 75,688 : x
  2. Step 2: Convert to fraction form
    33,956/75,688 = 75,688/x
  3. Step 3: Cross multiply
    33,956x = 75,688 × 75,688
  4. Step 4: Simplify right side
    33,956x = 5,728,673,344
  5. Step 5: Solve for x
    x = 5,728,673,344/33,956
  6. Step 6: Final answer
    x = 168,708.72

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.