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Finding the Third Proportional to 5.28 and 7.93

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Solution

The third proportional to 5.28 and 7.93 is: 11.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.28 : 7.93 = 7.93 : x
  2. Step 2: Convert to fraction form
    5.28/7.93 = 7.93/x
  3. Step 3: Cross multiply
    5.28x = 7.93 × 7.93
  4. Step 4: Simplify right side
    5.28x = 62.83
  5. Step 5: Solve for x
    x = 62.83/5.28
  6. Step 6: Final answer
    x = 11.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.