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Finding the Third Proportional to 442,330 and 667,160

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Solution

The third proportional to 442,330 and 667,160 is: 1,006,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,330 : 667,160 = 667,160 : x
  2. Step 2: Convert to fraction form
    442,330/667,160 = 667,160/x
  3. Step 3: Cross multiply
    442,330x = 667,160 × 667,160
  4. Step 4: Simplify right side
    442,330x = 445,102,465,600
  5. Step 5: Solve for x
    x = 445,102,465,600/442,330
  6. Step 6: Final answer
    x = 1,006,267.87

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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.