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Finding the Third Proportional to 248,469.75 and 331,042.50

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Solution

The third proportional to 248,469.75 and 331,042.50 is: 441,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469.75 : 331,042.50 = 331,042.50 : x
  2. Step 2: Convert to fraction form
    248,469.75/331,042.50 = 331,042.50/x
  3. Step 3: Cross multiply
    248,469.75x = 331,042.50 × 331,042.50
  4. Step 4: Simplify right side
    248,469.75x = 109,589,136,806.25
  5. Step 5: Solve for x
    x = 109,589,136,806.25/248,469.75
  6. Step 6: Final answer
    x = 441,056.25

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.