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Finding the Third Proportional to 1,376,193.38 and 2,979,186.75

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Solution

The third proportional to 1,376,193.38 and 2,979,186.75 is: 6,449,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,193.38 : 2,979,186.75 = 2,979,186.75 : x
  2. Step 2: Convert to fraction form
    1,376,193.38/2,979,186.75 = 2,979,186.75/x
  3. Step 3: Cross multiply
    1,376,193.38x = 2,979,186.75 × 2,979,186.75
  4. Step 4: Simplify right side
    1,376,193.38x = 8,875,553,691,375.56
  5. Step 5: Solve for x
    x = 8,875,553,691,375.56/1,376,193.38
  6. Step 6: Final answer
    x = 6,449,350.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.