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Finding the Third Proportional to 36.13 and 73.50

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Solution

The third proportional to 36.13 and 73.50 is: 149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.13 : 73.50 = 73.50 : x
  2. Step 2: Convert to fraction form
    36.13/73.50 = 73.50/x
  3. Step 3: Cross multiply
    36.13x = 73.50 × 73.50
  4. Step 4: Simplify right side
    36.13x = 5,402.25
  5. Step 5: Solve for x
    x = 5,402.25/36.13
  6. Step 6: Final answer
    x = 149.54

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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.