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Finding the Third Proportional to 57.56 and 101.38

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Solution

The third proportional to 57.56 and 101.38 is: 178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.56 : 101.38 = 101.38 : x
  2. Step 2: Convert to fraction form
    57.56/101.38 = 101.38/x
  3. Step 3: Cross multiply
    57.56x = 101.38 × 101.38
  4. Step 4: Simplify right side
    57.56x = 10,276.89
  5. Step 5: Solve for x
    x = 10,276.89/57.56
  6. Step 6: Final answer
    x = 178.53

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These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.