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Finding the Third Proportional to 8,251,012.69 and 17,921,940.19

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Solution

The third proportional to 8,251,012.69 and 17,921,940.19 is: 38,928,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251,012.69 : 17,921,940.19 = 17,921,940.19 : x
  2. Step 2: Convert to fraction form
    8,251,012.69/17,921,940.19 = 17,921,940.19/x
  3. Step 3: Cross multiply
    8,251,012.69x = 17,921,940.19 × 17,921,940.19
  4. Step 4: Simplify right side
    8,251,012.69x = 321,195,940,084,327.56
  5. Step 5: Solve for x
    x = 321,195,940,084,327.56/8,251,012.69
  6. Step 6: Final answer
    x = 38,928,062.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.