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Finding the Third Proportional to 230,908 and 479,960

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Solution

The third proportional to 230,908 and 479,960 is: 997,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,908 : 479,960 = 479,960 : x
  2. Step 2: Convert to fraction form
    230,908/479,960 = 479,960/x
  3. Step 3: Cross multiply
    230,908x = 479,960 × 479,960
  4. Step 4: Simplify right side
    230,908x = 230,361,601,600
  5. Step 5: Solve for x
    x = 230,361,601,600/230,908
  6. Step 6: Final answer
    x = 997,633.70

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.