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Finding the Third Proportional to 37.55 and 45.73

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Solution

The third proportional to 37.55 and 45.73 is: 55.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.55 : 45.73 = 45.73 : x
  2. Step 2: Convert to fraction form
    37.55/45.73 = 45.73/x
  3. Step 3: Cross multiply
    37.55x = 45.73 × 45.73
  4. Step 4: Simplify right side
    37.55x = 2,090.92
  5. Step 5: Solve for x
    x = 2,090.92/37.55
  6. Step 6: Final answer
    x = 55.69

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.