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Finding the Third Proportional to 36.56 and 79.56

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Solution

The third proportional to 36.56 and 79.56 is: 173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.56 : 79.56 = 79.56 : x
  2. Step 2: Convert to fraction form
    36.56/79.56 = 79.56/x
  3. Step 3: Cross multiply
    36.56x = 79.56 × 79.56
  4. Step 4: Simplify right side
    36.56x = 6,330.19
  5. Step 5: Solve for x
    x = 6,330.19/36.56
  6. Step 6: Final answer
    x = 173.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.