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Finding the Third Proportional to 267,849 and 405,229

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Solution

The third proportional to 267,849 and 405,229 is: 613,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,849 : 405,229 = 405,229 : x
  2. Step 2: Convert to fraction form
    267,849/405,229 = 405,229/x
  3. Step 3: Cross multiply
    267,849x = 405,229 × 405,229
  4. Step 4: Simplify right side
    267,849x = 164,210,542,441
  5. Step 5: Solve for x
    x = 164,210,542,441/267,849
  6. Step 6: Final answer
    x = 613,071.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.