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Finding the Third Proportional to 35.24 and 76.89

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Solution

The third proportional to 35.24 and 76.89 is: 167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.24 : 76.89 = 76.89 : x
  2. Step 2: Convert to fraction form
    35.24/76.89 = 76.89/x
  3. Step 3: Cross multiply
    35.24x = 76.89 × 76.89
  4. Step 4: Simplify right side
    35.24x = 5,911.57
  5. Step 5: Solve for x
    x = 5,911.57/35.24
  6. Step 6: Final answer
    x = 167.75

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