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Finding the Third Proportional to 232 and 355

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Solution

The third proportional to 232 and 355 is: 543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232 : 355 = 355 : x
  2. Step 2: Convert to fraction form
    232/355 = 355/x
  3. Step 3: Cross multiply
    232x = 355 × 355
  4. Step 4: Simplify right side
    232x = 126,025
  5. Step 5: Solve for x
    x = 126,025/232
  6. Step 6: Final answer
    x = 543.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.