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Finding the Third Proportional to 82,881.50 and 177,396.75

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Solution

The third proportional to 82,881.50 and 177,396.75 is: 379,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881.50 : 177,396.75 = 177,396.75 : x
  2. Step 2: Convert to fraction form
    82,881.50/177,396.75 = 177,396.75/x
  3. Step 3: Cross multiply
    82,881.50x = 177,396.75 × 177,396.75
  4. Step 4: Simplify right side
    82,881.50x = 31,469,606,910.56
  5. Step 5: Solve for x
    x = 31,469,606,910.56/82,881.50
  6. Step 6: Final answer
    x = 379,693.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.