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Finding the Third Proportional to 6,626 and 11,091

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Solution

The third proportional to 6,626 and 11,091 is: 18,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626 : 11,091 = 11,091 : x
  2. Step 2: Convert to fraction form
    6,626/11,091 = 11,091/x
  3. Step 3: Cross multiply
    6,626x = 11,091 × 11,091
  4. Step 4: Simplify right side
    6,626x = 123,010,281
  5. Step 5: Solve for x
    x = 123,010,281/6,626
  6. Step 6: Final answer
    x = 18,564.79

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.