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Finding the Third Proportional to 36.56 and 53.44

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Solution

The third proportional to 36.56 and 53.44 is: 78.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.56 : 53.44 = 53.44 : x
  2. Step 2: Convert to fraction form
    36.56/53.44 = 53.44/x
  3. Step 3: Cross multiply
    36.56x = 53.44 × 53.44
  4. Step 4: Simplify right side
    36.56x = 2,855.57
  5. Step 5: Solve for x
    x = 2,855.57/36.56
  6. Step 6: Final answer
    x = 78.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.