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Finding the Third Proportional to 3,880,682 and 8,440,891

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Solution

The third proportional to 3,880,682 and 8,440,891 is: 18,359,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,682 : 8,440,891 = 8,440,891 : x
  2. Step 2: Convert to fraction form
    3,880,682/8,440,891 = 8,440,891/x
  3. Step 3: Cross multiply
    3,880,682x = 8,440,891 × 8,440,891
  4. Step 4: Simplify right side
    3,880,682x = 71,248,640,873,881
  5. Step 5: Solve for x
    x = 71,248,640,873,881/3,880,682
  6. Step 6: Final answer
    x = 18,359,824.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.