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Finding the Third Proportional to 11,176 and 20,767

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Solution

The third proportional to 11,176 and 20,767 is: 38,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176 : 20,767 = 20,767 : x
  2. Step 2: Convert to fraction form
    11,176/20,767 = 20,767/x
  3. Step 3: Cross multiply
    11,176x = 20,767 × 20,767
  4. Step 4: Simplify right side
    11,176x = 431,268,289
  5. Step 5: Solve for x
    x = 431,268,289/11,176
  6. Step 6: Final answer
    x = 38,588.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.