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Finding the Third Proportional to 36.38 and 53.44

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Solution

The third proportional to 36.38 and 53.44 is: 78.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.38 : 53.44 = 53.44 : x
  2. Step 2: Convert to fraction form
    36.38/53.44 = 53.44/x
  3. Step 3: Cross multiply
    36.38x = 53.44 × 53.44
  4. Step 4: Simplify right side
    36.38x = 2,855.57
  5. Step 5: Solve for x
    x = 2,855.57/36.38
  6. Step 6: Final answer
    x = 78.50

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.