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Finding the Third Proportional to 6,418 and 11,876

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Solution

The third proportional to 6,418 and 11,876 is: 21,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418 : 11,876 = 11,876 : x
  2. Step 2: Convert to fraction form
    6,418/11,876 = 11,876/x
  3. Step 3: Cross multiply
    6,418x = 11,876 × 11,876
  4. Step 4: Simplify right side
    6,418x = 141,039,376
  5. Step 5: Solve for x
    x = 141,039,376/6,418
  6. Step 6: Final answer
    x = 21,975.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.