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Finding the Third Proportional to 3,694,863.09 and 7,935,891.47

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Solution

The third proportional to 3,694,863.09 and 7,935,891.47 is: 17,044,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694,863.09 : 7,935,891.47 = 7,935,891.47 : x
  2. Step 2: Convert to fraction form
    3,694,863.09/7,935,891.47 = 7,935,891.47/x
  3. Step 3: Cross multiply
    3,694,863.09x = 7,935,891.47 × 7,935,891.47
  4. Step 4: Simplify right side
    3,694,863.09x = 62,978,373,403,779.03
  5. Step 5: Solve for x
    x = 62,978,373,403,779.03/3,694,863.09
  6. Step 6: Final answer
    x = 17,044,846.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.