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Finding the Third Proportional to 367,408 and 520,026

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Solution

The third proportional to 367,408 and 520,026 is: 736,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,408 : 520,026 = 520,026 : x
  2. Step 2: Convert to fraction form
    367,408/520,026 = 520,026/x
  3. Step 3: Cross multiply
    367,408x = 520,026 × 520,026
  4. Step 4: Simplify right side
    367,408x = 270,427,040,676
  5. Step 5: Solve for x
    x = 270,427,040,676/367,408
  6. Step 6: Final answer
    x = 736,040.15

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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.