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Finding the Third Proportional to 19,019 and 38,614

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Solution

The third proportional to 19,019 and 38,614 is: 78,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019 : 38,614 = 38,614 : x
  2. Step 2: Convert to fraction form
    19,019/38,614 = 38,614/x
  3. Step 3: Cross multiply
    19,019x = 38,614 × 38,614
  4. Step 4: Simplify right side
    19,019x = 1,491,040,996
  5. Step 5: Solve for x
    x = 1,491,040,996/19,019
  6. Step 6: Final answer
    x = 78,397.44

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.