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Finding the Third Proportional to 3,908,067 and 8,484,573

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Solution

The third proportional to 3,908,067 and 8,484,573 is: 18,420,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,067 : 8,484,573 = 8,484,573 : x
  2. Step 2: Convert to fraction form
    3,908,067/8,484,573 = 8,484,573/x
  3. Step 3: Cross multiply
    3,908,067x = 8,484,573 × 8,484,573
  4. Step 4: Simplify right side
    3,908,067x = 71,987,978,992,329
  5. Step 5: Solve for x
    x = 71,987,978,992,329/3,908,067
  6. Step 6: Final answer
    x = 18,420,354.36

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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.