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Finding the Third Proportional to 8,118 and 13,731.75

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Solution

The third proportional to 8,118 and 13,731.75 is: 23,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118 : 13,731.75 = 13,731.75 : x
  2. Step 2: Convert to fraction form
    8,118/13,731.75 = 13,731.75/x
  3. Step 3: Cross multiply
    8,118x = 13,731.75 × 13,731.75
  4. Step 4: Simplify right side
    8,118x = 188,560,958.06
  5. Step 5: Solve for x
    x = 188,560,958.06/8,118
  6. Step 6: Final answer
    x = 23,227.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.