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Finding the Third Proportional to 122,116.50 and 182,940.75

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Solution

The third proportional to 122,116.50 and 182,940.75 is: 274,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,116.50 : 182,940.75 = 182,940.75 : x
  2. Step 2: Convert to fraction form
    122,116.50/182,940.75 = 182,940.75/x
  3. Step 3: Cross multiply
    122,116.50x = 182,940.75 × 182,940.75
  4. Step 4: Simplify right side
    122,116.50x = 33,467,318,010.56
  5. Step 5: Solve for x
    x = 33,467,318,010.56/122,116.50
  6. Step 6: Final answer
    x = 274,060.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.