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Finding the Third Proportional to 18,809 and 25,176

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Solution

The third proportional to 18,809 and 25,176 is: 33,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809 : 25,176 = 25,176 : x
  2. Step 2: Convert to fraction form
    18,809/25,176 = 25,176/x
  3. Step 3: Cross multiply
    18,809x = 25,176 × 25,176
  4. Step 4: Simplify right side
    18,809x = 633,830,976
  5. Step 5: Solve for x
    x = 633,830,976/18,809
  6. Step 6: Final answer
    x = 33,698.28

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.