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Finding the Third Proportional to 667,848 and 1,440,912

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Solution

The third proportional to 667,848 and 1,440,912 is: 3,108,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,848 : 1,440,912 = 1,440,912 : x
  2. Step 2: Convert to fraction form
    667,848/1,440,912 = 1,440,912/x
  3. Step 3: Cross multiply
    667,848x = 1,440,912 × 1,440,912
  4. Step 4: Simplify right side
    667,848x = 2,076,227,391,744
  5. Step 5: Solve for x
    x = 2,076,227,391,744/667,848
  6. Step 6: Final answer
    x = 3,108,832.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.