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Finding the Third Proportional to 3,261,279 and 6,917,190

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Solution

The third proportional to 3,261,279 and 6,917,190 is: 14,671,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,279 : 6,917,190 = 6,917,190 : x
  2. Step 2: Convert to fraction form
    3,261,279/6,917,190 = 6,917,190/x
  3. Step 3: Cross multiply
    3,261,279x = 6,917,190 × 6,917,190
  4. Step 4: Simplify right side
    3,261,279x = 47,847,517,496,100
  5. Step 5: Solve for x
    x = 47,847,517,496,100/3,261,279
  6. Step 6: Final answer
    x = 14,671,396.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.