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Finding the Third Proportional to 33,939.50 and 73,103

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Solution

The third proportional to 33,939.50 and 73,103 is: 157,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,939.50 : 73,103 = 73,103 : x
  2. Step 2: Convert to fraction form
    33,939.50/73,103 = 73,103/x
  3. Step 3: Cross multiply
    33,939.50x = 73,103 × 73,103
  4. Step 4: Simplify right side
    33,939.50x = 5,344,048,609
  5. Step 5: Solve for x
    x = 5,344,048,609/33,939.50
  6. Step 6: Final answer
    x = 157,458.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.