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Finding the Third Proportional to 303,476 and 664,100

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Solution

The third proportional to 303,476 and 664,100 is: 1,453,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,476 : 664,100 = 664,100 : x
  2. Step 2: Convert to fraction form
    303,476/664,100 = 664,100/x
  3. Step 3: Cross multiply
    303,476x = 664,100 × 664,100
  4. Step 4: Simplify right side
    303,476x = 441,028,810,000
  5. Step 5: Solve for x
    x = 441,028,810,000/303,476
  6. Step 6: Final answer
    x = 1,453,257.62

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.