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Finding the Third Proportional to 19,170 and 40,626

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Solution

The third proportional to 19,170 and 40,626 is: 86,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170 : 40,626 = 40,626 : x
  2. Step 2: Convert to fraction form
    19,170/40,626 = 40,626/x
  3. Step 3: Cross multiply
    19,170x = 40,626 × 40,626
  4. Step 4: Simplify right side
    19,170x = 1,650,471,876
  5. Step 5: Solve for x
    x = 1,650,471,876/19,170
  6. Step 6: Final answer
    x = 86,096.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.