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Finding the Third Proportional to 192,921.75 and 275,194.50

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Solution

The third proportional to 192,921.75 and 275,194.50 is: 392,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,921.75 : 275,194.50 = 275,194.50 : x
  2. Step 2: Convert to fraction form
    192,921.75/275,194.50 = 275,194.50/x
  3. Step 3: Cross multiply
    192,921.75x = 275,194.50 × 275,194.50
  4. Step 4: Simplify right side
    192,921.75x = 75,732,012,830.25
  5. Step 5: Solve for x
    x = 75,732,012,830.25/192,921.75
  6. Step 6: Final answer
    x = 392,553.01

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.