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Finding the Third Proportional to 33,864 and 73,378

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Solution

The third proportional to 33,864 and 73,378 is: 158,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,864 : 73,378 = 73,378 : x
  2. Step 2: Convert to fraction form
    33,864/73,378 = 73,378/x
  3. Step 3: Cross multiply
    33,864x = 73,378 × 73,378
  4. Step 4: Simplify right side
    33,864x = 5,384,330,884
  5. Step 5: Solve for x
    x = 5,384,330,884/33,864
  6. Step 6: Final answer
    x = 158,998.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.