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Finding the Third Proportional to 34.38 and 75.50

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Solution

The third proportional to 34.38 and 75.50 is: 165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.38 : 75.50 = 75.50 : x
  2. Step 2: Convert to fraction form
    34.38/75.50 = 75.50/x
  3. Step 3: Cross multiply
    34.38x = 75.50 × 75.50
  4. Step 4: Simplify right side
    34.38x = 5,700.25
  5. Step 5: Solve for x
    x = 5,700.25/34.38
  6. Step 6: Final answer
    x = 165.83

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.