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Finding the Third Proportional to 3,946,074 and 8,479,571

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Solution

The third proportional to 3,946,074 and 8,479,571 is: 18,221,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,074 : 8,479,571 = 8,479,571 : x
  2. Step 2: Convert to fraction form
    3,946,074/8,479,571 = 8,479,571/x
  3. Step 3: Cross multiply
    3,946,074x = 8,479,571 × 8,479,571
  4. Step 4: Simplify right side
    3,946,074x = 71,903,124,344,041
  5. Step 5: Solve for x
    x = 71,903,124,344,041/3,946,074
  6. Step 6: Final answer
    x = 18,221,433.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.