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Finding the Third Proportional to 200,684 and 275,192

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Solution

The third proportional to 200,684 and 275,192 is: 377,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,684 : 275,192 = 275,192 : x
  2. Step 2: Convert to fraction form
    200,684/275,192 = 275,192/x
  3. Step 3: Cross multiply
    200,684x = 275,192 × 275,192
  4. Step 4: Simplify right side
    200,684x = 75,730,636,864
  5. Step 5: Solve for x
    x = 75,730,636,864/200,684
  6. Step 6: Final answer
    x = 377,362.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.