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Finding the Third Proportional to 6,876 and 10,724.75

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Solution

The third proportional to 6,876 and 10,724.75 is: 16,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876 : 10,724.75 = 10,724.75 : x
  2. Step 2: Convert to fraction form
    6,876/10,724.75 = 10,724.75/x
  3. Step 3: Cross multiply
    6,876x = 10,724.75 × 10,724.75
  4. Step 4: Simplify right side
    6,876x = 115,020,262.56
  5. Step 5: Solve for x
    x = 115,020,262.56/6,876
  6. Step 6: Final answer
    x = 16,727.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.