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Finding the Third Proportional to 192,915 and 275,184.75

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Solution

The third proportional to 192,915 and 275,184.75 is: 392,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,915 : 275,184.75 = 275,184.75 : x
  2. Step 2: Convert to fraction form
    192,915/275,184.75 = 275,184.75/x
  3. Step 3: Cross multiply
    192,915x = 275,184.75 × 275,184.75
  4. Step 4: Simplify right side
    192,915x = 75,726,646,632.56
  5. Step 5: Solve for x
    x = 75,726,646,632.56/192,915
  6. Step 6: Final answer
    x = 392,538.92

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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.