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Finding the Third Proportional to 630,418 and 946,266

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Solution

The third proportional to 630,418 and 946,266 is: 1,420,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,418 : 946,266 = 946,266 : x
  2. Step 2: Convert to fraction form
    630,418/946,266 = 946,266/x
  3. Step 3: Cross multiply
    630,418x = 946,266 × 946,266
  4. Step 4: Simplify right side
    630,418x = 895,419,342,756
  5. Step 5: Solve for x
    x = 895,419,342,756/630,418
  6. Step 6: Final answer
    x = 1,420,358.15

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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.