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Finding the Third Proportional to 228,990 and 336,852

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Solution

The third proportional to 228,990 and 336,852 is: 495,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,990 : 336,852 = 336,852 : x
  2. Step 2: Convert to fraction form
    228,990/336,852 = 336,852/x
  3. Step 3: Cross multiply
    228,990x = 336,852 × 336,852
  4. Step 4: Simplify right side
    228,990x = 113,469,269,904
  5. Step 5: Solve for x
    x = 113,469,269,904/228,990
  6. Step 6: Final answer
    x = 495,520.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.