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Finding the Third Proportional to 206,097 and 434,334

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Solution

The third proportional to 206,097 and 434,334 is: 915,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,097 : 434,334 = 434,334 : x
  2. Step 2: Convert to fraction form
    206,097/434,334 = 434,334/x
  3. Step 3: Cross multiply
    206,097x = 434,334 × 434,334
  4. Step 4: Simplify right side
    206,097x = 188,646,023,556
  5. Step 5: Solve for x
    x = 188,646,023,556/206,097
  6. Step 6: Final answer
    x = 915,326.39

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.