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Finding the Third Proportional to 6,189 and 11,919

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Solution

The third proportional to 6,189 and 11,919 is: 22,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189 : 11,919 = 11,919 : x
  2. Step 2: Convert to fraction form
    6,189/11,919 = 11,919/x
  3. Step 3: Cross multiply
    6,189x = 11,919 × 11,919
  4. Step 4: Simplify right side
    6,189x = 142,062,561
  5. Step 5: Solve for x
    x = 142,062,561/6,189
  6. Step 6: Final answer
    x = 22,954.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.