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Finding the Third Proportional to 180.75 and 366.56

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Solution

The third proportional to 180.75 and 366.56 is: 743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.75 : 366.56 = 366.56 : x
  2. Step 2: Convert to fraction form
    180.75/366.56 = 366.56/x
  3. Step 3: Cross multiply
    180.75x = 366.56 × 366.56
  4. Step 4: Simplify right side
    180.75x = 134,368.07
  5. Step 5: Solve for x
    x = 134,368.07/180.75
  6. Step 6: Final answer
    x = 743.39

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.