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Finding the Third Proportional to 222.94 and 327.56

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Solution

The third proportional to 222.94 and 327.56 is: 481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.94 : 327.56 = 327.56 : x
  2. Step 2: Convert to fraction form
    222.94/327.56 = 327.56/x
  3. Step 3: Cross multiply
    222.94x = 327.56 × 327.56
  4. Step 4: Simplify right side
    222.94x = 107,297.19
  5. Step 5: Solve for x
    x = 107,297.19/222.94
  6. Step 6: Final answer
    x = 481.29

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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.