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Finding the Third Proportional to 1,644,891.75 and 3,667,996.13

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Solution

The third proportional to 1,644,891.75 and 3,667,996.13 is: 8,179,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,891.75 : 3,667,996.13 = 3,667,996.13 : x
  2. Step 2: Convert to fraction form
    1,644,891.75/3,667,996.13 = 3,667,996.13/x
  3. Step 3: Cross multiply
    1,644,891.75x = 3,667,996.13 × 3,667,996.13
  4. Step 4: Simplify right side
    1,644,891.75x = 13,454,195,573,015.02
  5. Step 5: Solve for x
    x = 13,454,195,573,015.02/1,644,891.75
  6. Step 6: Final answer
    x = 8,179,380.54

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.