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Finding the Third Proportional to 183 and 255.50

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Solution

The third proportional to 183 and 255.50 is: 356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183 : 255.50 = 255.50 : x
  2. Step 2: Convert to fraction form
    183/255.50 = 255.50/x
  3. Step 3: Cross multiply
    183x = 255.50 × 255.50
  4. Step 4: Simplify right side
    183x = 65,280.25
  5. Step 5: Solve for x
    x = 65,280.25/183
  6. Step 6: Final answer
    x = 356.72

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.