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Finding the Third Proportional to 314,383 and 444,419

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Solution

The third proportional to 314,383 and 444,419 is: 628,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,383 : 444,419 = 444,419 : x
  2. Step 2: Convert to fraction form
    314,383/444,419 = 444,419/x
  3. Step 3: Cross multiply
    314,383x = 444,419 × 444,419
  4. Step 4: Simplify right side
    314,383x = 197,508,247,561
  5. Step 5: Solve for x
    x = 197,508,247,561/314,383
  6. Step 6: Final answer
    x = 628,240.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.