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Finding the Third Proportional to 264,102 and 396,189

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Solution

The third proportional to 264,102 and 396,189 is: 594,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,102 : 396,189 = 396,189 : x
  2. Step 2: Convert to fraction form
    264,102/396,189 = 396,189/x
  3. Step 3: Cross multiply
    264,102x = 396,189 × 396,189
  4. Step 4: Simplify right side
    264,102x = 156,965,723,721
  5. Step 5: Solve for x
    x = 156,965,723,721/264,102
  6. Step 6: Final answer
    x = 594,337.50

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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.