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Finding the Third Proportional to 180.19 and 255.94

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Solution

The third proportional to 180.19 and 255.94 is: 363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.19 : 255.94 = 255.94 : x
  2. Step 2: Convert to fraction form
    180.19/255.94 = 255.94/x
  3. Step 3: Cross multiply
    180.19x = 255.94 × 255.94
  4. Step 4: Simplify right side
    180.19x = 65,504.00
  5. Step 5: Solve for x
    x = 65,504.00/180.19
  6. Step 6: Final answer
    x = 363.53

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.