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Finding the Third Proportional to 474,426 and 733,812

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Solution

The third proportional to 474,426 and 733,812 is: 1,135,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,426 : 733,812 = 733,812 : x
  2. Step 2: Convert to fraction form
    474,426/733,812 = 733,812/x
  3. Step 3: Cross multiply
    474,426x = 733,812 × 733,812
  4. Step 4: Simplify right side
    474,426x = 538,480,051,344
  5. Step 5: Solve for x
    x = 538,480,051,344/474,426
  6. Step 6: Final answer
    x = 1,135,013.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.