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Finding the Third Proportional to 396,811 and 596,120

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Solution

The third proportional to 396,811 and 596,120 is: 895,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,811 : 596,120 = 596,120 : x
  2. Step 2: Convert to fraction form
    396,811/596,120 = 596,120/x
  3. Step 3: Cross multiply
    396,811x = 596,120 × 596,120
  4. Step 4: Simplify right side
    396,811x = 355,359,054,400
  5. Step 5: Solve for x
    x = 355,359,054,400/396,811
  6. Step 6: Final answer
    x = 895,537.31

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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.