Home / 8,115,072.75-12,147,175.13

Finding the Third Proportional to 8,115,072.75 and 12,147,175.13

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Solution

The third proportional to 8,115,072.75 and 12,147,175.13 is: 18,182,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,072.75 : 12,147,175.13 = 12,147,175.13 : x
  2. Step 2: Convert to fraction form
    8,115,072.75/12,147,175.13 = 12,147,175.13/x
  3. Step 3: Cross multiply
    8,115,072.75x = 12,147,175.13 × 12,147,175.13
  4. Step 4: Simplify right side
    8,115,072.75x = 147,553,863,517,418.75
  5. Step 5: Solve for x
    x = 147,553,863,517,418.75/8,115,072.75
  6. Step 6: Final answer
    x = 18,182,691.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.