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Finding the Third Proportional to 396,826 and 598,817

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Solution

The third proportional to 396,826 and 598,817 is: 903,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,826 : 598,817 = 598,817 : x
  2. Step 2: Convert to fraction form
    396,826/598,817 = 598,817/x
  3. Step 3: Cross multiply
    396,826x = 598,817 × 598,817
  4. Step 4: Simplify right side
    396,826x = 358,581,799,489
  5. Step 5: Solve for x
    x = 358,581,799,489/396,826
  6. Step 6: Final answer
    x = 903,624.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.