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Finding the Third Proportional to 396,819 and 596,132

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Solution

The third proportional to 396,819 and 596,132 is: 895,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,819 : 596,132 = 596,132 : x
  2. Step 2: Convert to fraction form
    396,819/596,132 = 596,132/x
  3. Step 3: Cross multiply
    396,819x = 596,132 × 596,132
  4. Step 4: Simplify right side
    396,819x = 355,373,361,424
  5. Step 5: Solve for x
    x = 355,373,361,424/396,819
  6. Step 6: Final answer
    x = 895,555.31

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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.