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Finding the Third Proportional to 20,148.75 and 43,939.97

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Solution

The third proportional to 20,148.75 and 43,939.97 is: 95,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.75 : 43,939.97 = 43,939.97 : x
  2. Step 2: Convert to fraction form
    20,148.75/43,939.97 = 43,939.97/x
  3. Step 3: Cross multiply
    20,148.75x = 43,939.97 × 43,939.97
  4. Step 4: Simplify right side
    20,148.75x = 1,930,720,853.75
  5. Step 5: Solve for x
    x = 1,930,720,853.75/20,148.75
  6. Step 6: Final answer
    x = 95,823.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.