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Finding the Third Proportional to 220,410 and 327,375

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Solution

The third proportional to 220,410 and 327,375 is: 486,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,410 : 327,375 = 327,375 : x
  2. Step 2: Convert to fraction form
    220,410/327,375 = 327,375/x
  3. Step 3: Cross multiply
    220,410x = 327,375 × 327,375
  4. Step 4: Simplify right side
    220,410x = 107,174,390,625
  5. Step 5: Solve for x
    x = 107,174,390,625/220,410
  6. Step 6: Final answer
    x = 486,250.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.