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Finding the Third Proportional to 222,388 and 327,700

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Solution

The third proportional to 222,388 and 327,700 is: 482,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,388 : 327,700 = 327,700 : x
  2. Step 2: Convert to fraction form
    222,388/327,700 = 327,700/x
  3. Step 3: Cross multiply
    222,388x = 327,700 × 327,700
  4. Step 4: Simplify right side
    222,388x = 107,387,290,000
  5. Step 5: Solve for x
    x = 107,387,290,000/222,388
  6. Step 6: Final answer
    x = 482,882.57

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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.