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Finding the Third Proportional to 18,842 and 25,191

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Solution

The third proportional to 18,842 and 25,191 is: 33,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842 : 25,191 = 25,191 : x
  2. Step 2: Convert to fraction form
    18,842/25,191 = 25,191/x
  3. Step 3: Cross multiply
    18,842x = 25,191 × 25,191
  4. Step 4: Simplify right side
    18,842x = 634,586,481
  5. Step 5: Solve for x
    x = 634,586,481/18,842
  6. Step 6: Final answer
    x = 33,679.36

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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.