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Finding the Third Proportional to 3,952,611 and 8,628,147

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Solution

The third proportional to 3,952,611 and 8,628,147 is: 18,834,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952,611 : 8,628,147 = 8,628,147 : x
  2. Step 2: Convert to fraction form
    3,952,611/8,628,147 = 8,628,147/x
  3. Step 3: Cross multiply
    3,952,611x = 8,628,147 × 8,628,147
  4. Step 4: Simplify right side
    3,952,611x = 74,444,920,653,609
  5. Step 5: Solve for x
    x = 74,444,920,653,609/3,952,611
  6. Step 6: Final answer
    x = 18,834,365.60

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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.