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Finding the Third Proportional to 442,336 and 667,170

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Solution

The third proportional to 442,336 and 667,170 is: 1,006,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,336 : 667,170 = 667,170 : x
  2. Step 2: Convert to fraction form
    442,336/667,170 = 667,170/x
  3. Step 3: Cross multiply
    442,336x = 667,170 × 667,170
  4. Step 4: Simplify right side
    442,336x = 445,115,808,900
  5. Step 5: Solve for x
    x = 445,115,808,900/442,336
  6. Step 6: Final answer
    x = 1,006,284.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.