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Finding the Third Proportional to 192 and 328

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Solution

The third proportional to 192 and 328 is: 560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192 : 328 = 328 : x
  2. Step 2: Convert to fraction form
    192/328 = 328/x
  3. Step 3: Cross multiply
    192x = 328 × 328
  4. Step 4: Simplify right side
    192x = 107,584
  5. Step 5: Solve for x
    x = 107,584/192
  6. Step 6: Final answer
    x = 560.33

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.