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Finding the Third Proportional to 122,008 and 194,811

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Solution

The third proportional to 122,008 and 194,811 is: 311,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,008 : 194,811 = 194,811 : x
  2. Step 2: Convert to fraction form
    122,008/194,811 = 194,811/x
  3. Step 3: Cross multiply
    122,008x = 194,811 × 194,811
  4. Step 4: Simplify right side
    122,008x = 37,951,325,721
  5. Step 5: Solve for x
    x = 37,951,325,721/122,008
  6. Step 6: Final answer
    x = 311,056.04

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.