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Finding the Third Proportional to 220,401 and 327,360

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Solution

The third proportional to 220,401 and 327,360 is: 486,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,401 : 327,360 = 327,360 : x
  2. Step 2: Convert to fraction form
    220,401/327,360 = 327,360/x
  3. Step 3: Cross multiply
    220,401x = 327,360 × 327,360
  4. Step 4: Simplify right side
    220,401x = 107,164,569,600
  5. Step 5: Solve for x
    x = 107,164,569,600/220,401
  6. Step 6: Final answer
    x = 486,225.42

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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.