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Finding the Third Proportional to 6,684 and 11,086

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Solution

The third proportional to 6,684 and 11,086 is: 18,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684 : 11,086 = 11,086 : x
  2. Step 2: Convert to fraction form
    6,684/11,086 = 11,086/x
  3. Step 3: Cross multiply
    6,684x = 11,086 × 11,086
  4. Step 4: Simplify right side
    6,684x = 122,899,396
  5. Step 5: Solve for x
    x = 122,899,396/6,684
  6. Step 6: Final answer
    x = 18,387.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.