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Finding the Third Proportional to 5,760 and 11,248

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Solution

The third proportional to 5,760 and 11,248 is: 21,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760 : 11,248 = 11,248 : x
  2. Step 2: Convert to fraction form
    5,760/11,248 = 11,248/x
  3. Step 3: Cross multiply
    5,760x = 11,248 × 11,248
  4. Step 4: Simplify right side
    5,760x = 126,517,504
  5. Step 5: Solve for x
    x = 126,517,504/5,760
  6. Step 6: Final answer
    x = 21,964.84

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.