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Finding the Third Proportional to 150,721 and 204,703

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Solution

The third proportional to 150,721 and 204,703 is: 278,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,721 : 204,703 = 204,703 : x
  2. Step 2: Convert to fraction form
    150,721/204,703 = 204,703/x
  3. Step 3: Cross multiply
    150,721x = 204,703 × 204,703
  4. Step 4: Simplify right side
    150,721x = 41,903,318,209
  5. Step 5: Solve for x
    x = 41,903,318,209/150,721
  6. Step 6: Final answer
    x = 278,019.11

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.