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Finding the Third Proportional to 51,195.38 and 80,137.25

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Solution

The third proportional to 51,195.38 and 80,137.25 is: 125,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,195.38 : 80,137.25 = 80,137.25 : x
  2. Step 2: Convert to fraction form
    51,195.38/80,137.25 = 80,137.25/x
  3. Step 3: Cross multiply
    51,195.38x = 80,137.25 × 80,137.25
  4. Step 4: Simplify right side
    51,195.38x = 6,421,978,837.56
  5. Step 5: Solve for x
    x = 6,421,978,837.56/51,195.38
  6. Step 6: Final answer
    x = 125,440.61

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.