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Finding the Third Proportional to 148,504 and 320,192

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Solution

The third proportional to 148,504 and 320,192 is: 690,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,504 : 320,192 = 320,192 : x
  2. Step 2: Convert to fraction form
    148,504/320,192 = 320,192/x
  3. Step 3: Cross multiply
    148,504x = 320,192 × 320,192
  4. Step 4: Simplify right side
    148,504x = 102,522,916,864
  5. Step 5: Solve for x
    x = 102,522,916,864/148,504
  6. Step 6: Final answer
    x = 690,371.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.