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Finding the Third Proportional to 189,794 and 284,164

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Solution

The third proportional to 189,794 and 284,164 is: 425,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,794 : 284,164 = 284,164 : x
  2. Step 2: Convert to fraction form
    189,794/284,164 = 284,164/x
  3. Step 3: Cross multiply
    189,794x = 284,164 × 284,164
  4. Step 4: Simplify right side
    189,794x = 80,749,178,896
  5. Step 5: Solve for x
    x = 80,749,178,896/189,794
  6. Step 6: Final answer
    x = 425,456.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.