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Finding the Third Proportional to 10,671.75 and 11,481.75

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Solution

The third proportional to 10,671.75 and 11,481.75 is: 12,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.75 : 11,481.75 = 11,481.75 : x
  2. Step 2: Convert to fraction form
    10,671.75/11,481.75 = 11,481.75/x
  3. Step 3: Cross multiply
    10,671.75x = 11,481.75 × 11,481.75
  4. Step 4: Simplify right side
    10,671.75x = 131,830,583.06
  5. Step 5: Solve for x
    x = 131,830,583.06/10,671.75
  6. Step 6: Final answer
    x = 12,353.23

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.