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Finding the Third Proportional to 192,104.25 and 308,659.50

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Solution

The third proportional to 192,104.25 and 308,659.50 is: 495,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,104.25 : 308,659.50 = 308,659.50 : x
  2. Step 2: Convert to fraction form
    192,104.25/308,659.50 = 308,659.50/x
  3. Step 3: Cross multiply
    192,104.25x = 308,659.50 × 308,659.50
  4. Step 4: Simplify right side
    192,104.25x = 95,270,686,940.25
  5. Step 5: Solve for x
    x = 95,270,686,940.25/192,104.25
  6. Step 6: Final answer
    x = 495,932.22

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.