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Finding the Third Proportional to 365.25 and 550.50

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Solution

The third proportional to 365.25 and 550.50 is: 829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.25 : 550.50 = 550.50 : x
  2. Step 2: Convert to fraction form
    365.25/550.50 = 550.50/x
  3. Step 3: Cross multiply
    365.25x = 550.50 × 550.50
  4. Step 4: Simplify right side
    365.25x = 303,050.25
  5. Step 5: Solve for x
    x = 303,050.25/365.25
  6. Step 6: Final answer
    x = 829.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.