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Finding the Third Proportional to 3,964,228 and 8,656,538

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Solution

The third proportional to 3,964,228 and 8,656,538 is: 18,902,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,228 : 8,656,538 = 8,656,538 : x
  2. Step 2: Convert to fraction form
    3,964,228/8,656,538 = 8,656,538/x
  3. Step 3: Cross multiply
    3,964,228x = 8,656,538 × 8,656,538
  4. Step 4: Simplify right side
    3,964,228x = 74,935,650,145,444
  5. Step 5: Solve for x
    x = 74,935,650,145,444/3,964,228
  6. Step 6: Final answer
    x = 18,902,961.72

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