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Finding the Third Proportional to 396,631 and 595,817.50

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Solution

The third proportional to 396,631 and 595,817.50 is: 895,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,631 : 595,817.50 = 595,817.50 : x
  2. Step 2: Convert to fraction form
    396,631/595,817.50 = 595,817.50/x
  3. Step 3: Cross multiply
    396,631x = 595,817.50 × 595,817.50
  4. Step 4: Simplify right side
    396,631x = 354,998,493,306.25
  5. Step 5: Solve for x
    x = 354,998,493,306.25/396,631
  6. Step 6: Final answer
    x = 895,034.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.