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Finding the Third Proportional to 36.38 and 91.50

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Solution

The third proportional to 36.38 and 91.50 is: 230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.38 : 91.50 = 91.50 : x
  2. Step 2: Convert to fraction form
    36.38/91.50 = 91.50/x
  3. Step 3: Cross multiply
    36.38x = 91.50 × 91.50
  4. Step 4: Simplify right side
    36.38x = 8,372.25
  5. Step 5: Solve for x
    x = 8,372.25/36.38
  6. Step 6: Final answer
    x = 230.16

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Why These Related Problems?

These problems maintain the same ratio (2.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.