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Finding the Third Proportional to 19,176 and 25,218

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Solution

The third proportional to 19,176 and 25,218 is: 33,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176 : 25,218 = 25,218 : x
  2. Step 2: Convert to fraction form
    19,176/25,218 = 25,218/x
  3. Step 3: Cross multiply
    19,176x = 25,218 × 25,218
  4. Step 4: Simplify right side
    19,176x = 635,947,524
  5. Step 5: Solve for x
    x = 635,947,524/19,176
  6. Step 6: Final answer
    x = 33,163.72

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.