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Finding the Third Proportional to 3,227,907 and 6,990,198

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Solution

The third proportional to 3,227,907 and 6,990,198 is: 15,137,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227,907 : 6,990,198 = 6,990,198 : x
  2. Step 2: Convert to fraction form
    3,227,907/6,990,198 = 6,990,198/x
  3. Step 3: Cross multiply
    3,227,907x = 6,990,198 × 6,990,198
  4. Step 4: Simplify right side
    3,227,907x = 48,862,868,079,204
  5. Step 5: Solve for x
    x = 48,862,868,079,204/3,227,907
  6. Step 6: Final answer
    x = 15,137,631.93

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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.