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Finding the Third Proportional to 235.25 and 284

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Solution

The third proportional to 235.25 and 284 is: 342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.25 : 284 = 284 : x
  2. Step 2: Convert to fraction form
    235.25/284 = 284/x
  3. Step 3: Cross multiply
    235.25x = 284 × 284
  4. Step 4: Simplify right side
    235.25x = 80,656
  5. Step 5: Solve for x
    x = 80,656/235.25
  6. Step 6: Final answer
    x = 342.85

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.