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Finding the Third Proportional to 206,174 and 439,348

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Solution

The third proportional to 206,174 and 439,348 is: 936,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,174 : 439,348 = 439,348 : x
  2. Step 2: Convert to fraction form
    206,174/439,348 = 439,348/x
  3. Step 3: Cross multiply
    206,174x = 439,348 × 439,348
  4. Step 4: Simplify right side
    206,174x = 193,026,665,104
  5. Step 5: Solve for x
    x = 193,026,665,104/206,174
  6. Step 6: Final answer
    x = 936,231.85

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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.