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Finding the Third Proportional to 3,211,978 and 6,953,204

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Solution

The third proportional to 3,211,978 and 6,953,204 is: 15,052,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,978 : 6,953,204 = 6,953,204 : x
  2. Step 2: Convert to fraction form
    3,211,978/6,953,204 = 6,953,204/x
  3. Step 3: Cross multiply
    3,211,978x = 6,953,204 × 6,953,204
  4. Step 4: Simplify right side
    3,211,978x = 48,347,045,865,616
  5. Step 5: Solve for x
    x = 48,347,045,865,616/3,211,978
  6. Step 6: Final answer
    x = 15,052,109.90

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.