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Finding the Third Proportional to 367,452 and 520,086

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Solution

The third proportional to 367,452 and 520,086 is: 736,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,452 : 520,086 = 520,086 : x
  2. Step 2: Convert to fraction form
    367,452/520,086 = 520,086/x
  3. Step 3: Cross multiply
    367,452x = 520,086 × 520,086
  4. Step 4: Simplify right side
    367,452x = 270,489,447,396
  5. Step 5: Solve for x
    x = 270,489,447,396/367,452
  6. Step 6: Final answer
    x = 736,121.85

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.