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Finding the Third Proportional to 79,115.48 and 173,251.41

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Solution

The third proportional to 79,115.48 and 173,251.41 is: 379,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115.48 : 173,251.41 = 173,251.41 : x
  2. Step 2: Convert to fraction form
    79,115.48/173,251.41 = 173,251.41/x
  3. Step 3: Cross multiply
    79,115.48x = 173,251.41 × 173,251.41
  4. Step 4: Simplify right side
    79,115.48x = 30,016,049,767.60
  5. Step 5: Solve for x
    x = 30,016,049,767.60/79,115.48
  6. Step 6: Final answer
    x = 379,395.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.