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Finding the Third Proportional to 3,379,826.25 and 7,515,306.56

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Solution

The third proportional to 3,379,826.25 and 7,515,306.56 is: 16,710,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,826.25 : 7,515,306.56 = 7,515,306.56 : x
  2. Step 2: Convert to fraction form
    3,379,826.25/7,515,306.56 = 7,515,306.56/x
  3. Step 3: Cross multiply
    3,379,826.25x = 7,515,306.56 × 7,515,306.56
  4. Step 4: Simplify right side
    3,379,826.25x = 56,479,832,728,355.56
  5. Step 5: Solve for x
    x = 56,479,832,728,355.56/3,379,826.25
  6. Step 6: Final answer
    x = 16,710,868.71

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.