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Finding the Third Proportional to 79,146.87 and 173,072.80

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Solution

The third proportional to 79,146.87 and 173,072.80 is: 378,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146.87 : 173,072.80 = 173,072.80 : x
  2. Step 2: Convert to fraction form
    79,146.87/173,072.80 = 173,072.80/x
  3. Step 3: Cross multiply
    79,146.87x = 173,072.80 × 173,072.80
  4. Step 4: Simplify right side
    79,146.87x = 29,954,195,764.65
  5. Step 5: Solve for x
    x = 29,954,195,764.65/79,146.87
  6. Step 6: Final answer
    x = 378,463.44

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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.