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Finding the Third Proportional to 667,620 and 1,484,505

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Solution

The third proportional to 667,620 and 1,484,505 is: 3,300,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,620 : 1,484,505 = 1,484,505 : x
  2. Step 2: Convert to fraction form
    667,620/1,484,505 = 1,484,505/x
  3. Step 3: Cross multiply
    667,620x = 1,484,505 × 1,484,505
  4. Step 4: Simplify right side
    667,620x = 2,203,755,095,025
  5. Step 5: Solve for x
    x = 2,203,755,095,025/667,620
  6. Step 6: Final answer
    x = 3,300,912.34

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.