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Finding the Third Proportional to 226 and 328

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Solution

The third proportional to 226 and 328 is: 476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226 : 328 = 328 : x
  2. Step 2: Convert to fraction form
    226/328 = 328/x
  3. Step 3: Cross multiply
    226x = 328 × 328
  4. Step 4: Simplify right side
    226x = 107,584
  5. Step 5: Solve for x
    x = 107,584/226
  6. Step 6: Final answer
    x = 476.04

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.