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Finding the Third Proportional to 3,961,620 and 8,682,684

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Solution

The third proportional to 3,961,620 and 8,682,684 is: 19,029,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,620 : 8,682,684 = 8,682,684 : x
  2. Step 2: Convert to fraction form
    3,961,620/8,682,684 = 8,682,684/x
  3. Step 3: Cross multiply
    3,961,620x = 8,682,684 × 8,682,684
  4. Step 4: Simplify right side
    3,961,620x = 75,389,001,443,856
  5. Step 5: Solve for x
    x = 75,389,001,443,856/3,961,620
  6. Step 6: Final answer
    x = 19,029,841.69

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.