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Finding the Third Proportional to 185,960 and 395,176

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Solution

The third proportional to 185,960 and 395,176 is: 839,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,960 : 395,176 = 395,176 : x
  2. Step 2: Convert to fraction form
    185,960/395,176 = 395,176/x
  3. Step 3: Cross multiply
    185,960x = 395,176 × 395,176
  4. Step 4: Simplify right side
    185,960x = 156,164,070,976
  5. Step 5: Solve for x
    x = 156,164,070,976/185,960
  6. Step 6: Final answer
    x = 839,772.38

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.