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Finding the Third Proportional to 667,551 and 1,479,240

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Solution

The third proportional to 667,551 and 1,479,240 is: 3,277,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,551 : 1,479,240 = 1,479,240 : x
  2. Step 2: Convert to fraction form
    667,551/1,479,240 = 1,479,240/x
  3. Step 3: Cross multiply
    667,551x = 1,479,240 × 1,479,240
  4. Step 4: Simplify right side
    667,551x = 2,188,150,977,600
  5. Step 5: Solve for x
    x = 2,188,150,977,600/667,551
  6. Step 6: Final answer
    x = 3,277,878.36

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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.