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Finding the Third Proportional to 81,726 and 175,962

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Solution

The third proportional to 81,726 and 175,962 is: 378,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,726 : 175,962 = 175,962 : x
  2. Step 2: Convert to fraction form
    81,726/175,962 = 175,962/x
  3. Step 3: Cross multiply
    81,726x = 175,962 × 175,962
  4. Step 4: Simplify right side
    81,726x = 30,962,625,444
  5. Step 5: Solve for x
    x = 30,962,625,444/81,726
  6. Step 6: Final answer
    x = 378,858.94

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.