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Finding the Third Proportional to 36.75 and 75.75

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Solution

The third proportional to 36.75 and 75.75 is: 156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.75 : 75.75 = 75.75 : x
  2. Step 2: Convert to fraction form
    36.75/75.75 = 75.75/x
  3. Step 3: Cross multiply
    36.75x = 75.75 × 75.75
  4. Step 4: Simplify right side
    36.75x = 5,738.06
  5. Step 5: Solve for x
    x = 5,738.06/36.75
  6. Step 6: Final answer
    x = 156.14

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.