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Finding the Third Proportional to 3,864,153 and 8,392,611

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Solution

The third proportional to 3,864,153 and 8,392,611 is: 18,228,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,153 : 8,392,611 = 8,392,611 : x
  2. Step 2: Convert to fraction form
    3,864,153/8,392,611 = 8,392,611/x
  3. Step 3: Cross multiply
    3,864,153x = 8,392,611 × 8,392,611
  4. Step 4: Simplify right side
    3,864,153x = 70,435,919,397,321
  5. Step 5: Solve for x
    x = 70,435,919,397,321/3,864,153
  6. Step 6: Final answer
    x = 18,228,035.85

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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.