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Finding the Third Proportional to 9,591 and 20,869

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Solution

The third proportional to 9,591 and 20,869 is: 45,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591 : 20,869 = 20,869 : x
  2. Step 2: Convert to fraction form
    9,591/20,869 = 20,869/x
  3. Step 3: Cross multiply
    9,591x = 20,869 × 20,869
  4. Step 4: Simplify right side
    9,591x = 435,515,161
  5. Step 5: Solve for x
    x = 435,515,161/9,591
  6. Step 6: Final answer
    x = 45,408.73

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1.5x scale

Why These Related Problems?

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