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Finding the Third Proportional to 36.00 and 37.60

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Solution

The third proportional to 36.00 and 37.60 is: 39.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.00 : 37.60 = 37.60 : x
  2. Step 2: Convert to fraction form
    36.00/37.60 = 37.60/x
  3. Step 3: Cross multiply
    36.00x = 37.60 × 37.60
  4. Step 4: Simplify right side
    36.00x = 1,413.99
  5. Step 5: Solve for x
    x = 1,413.99/36.00
  6. Step 6: Final answer
    x = 39.28

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Why These Related Problems?

These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.