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Finding the Third Proportional to 8,974 and 19,538

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Solution

The third proportional to 8,974 and 19,538 is: 42,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974 : 19,538 = 19,538 : x
  2. Step 2: Convert to fraction form
    8,974/19,538 = 19,538/x
  3. Step 3: Cross multiply
    8,974x = 19,538 × 19,538
  4. Step 4: Simplify right side
    8,974x = 381,733,444
  5. Step 5: Solve for x
    x = 381,733,444/8,974
  6. Step 6: Final answer
    x = 42,537.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.