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Finding the Third Proportional to 185.25 and 276

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Solution

The third proportional to 185.25 and 276 is: 411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.25 : 276 = 276 : x
  2. Step 2: Convert to fraction form
    185.25/276 = 276/x
  3. Step 3: Cross multiply
    185.25x = 276 × 276
  4. Step 4: Simplify right side
    185.25x = 76,176
  5. Step 5: Solve for x
    x = 76,176/185.25
  6. Step 6: Final answer
    x = 411.21

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.