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Finding the Third Proportional to 222,390 and 327,703

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Solution

The third proportional to 222,390 and 327,703 is: 482,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,390 : 327,703 = 327,703 : x
  2. Step 2: Convert to fraction form
    222,390/327,703 = 327,703/x
  3. Step 3: Cross multiply
    222,390x = 327,703 × 327,703
  4. Step 4: Simplify right side
    222,390x = 107,389,256,209
  5. Step 5: Solve for x
    x = 107,389,256,209/222,390
  6. Step 6: Final answer
    x = 482,887.07

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.