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Finding the Third Proportional to 228,756 and 330,011

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Solution

The third proportional to 228,756 and 330,011 is: 476,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,756 : 330,011 = 330,011 : x
  2. Step 2: Convert to fraction form
    228,756/330,011 = 330,011/x
  3. Step 3: Cross multiply
    228,756x = 330,011 × 330,011
  4. Step 4: Simplify right side
    228,756x = 108,907,260,121
  5. Step 5: Solve for x
    x = 108,907,260,121/228,756
  6. Step 6: Final answer
    x = 476,084.82

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.