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Finding the Third Proportional to 37 and 80.63

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Solution

The third proportional to 37 and 80.63 is: 175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37 : 80.63 = 80.63 : x
  2. Step 2: Convert to fraction form
    37/80.63 = 80.63/x
  3. Step 3: Cross multiply
    37x = 80.63 × 80.63
  4. Step 4: Simplify right side
    37x = 6,500.39
  5. Step 5: Solve for x
    x = 6,500.39/37
  6. Step 6: Final answer
    x = 175.69

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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.