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Finding the Third Proportional to 234,379 and 485,373

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Solution

The third proportional to 234,379 and 485,373 is: 1,005,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,379 : 485,373 = 485,373 : x
  2. Step 2: Convert to fraction form
    234,379/485,373 = 485,373/x
  3. Step 3: Cross multiply
    234,379x = 485,373 × 485,373
  4. Step 4: Simplify right side
    234,379x = 235,586,949,129
  5. Step 5: Solve for x
    x = 235,586,949,129/234,379
  6. Step 6: Final answer
    x = 1,005,153.83

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.