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Finding the Third Proportional to 314,449 and 444,519

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Solution

The third proportional to 314,449 and 444,519 is: 628,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,449 : 444,519 = 444,519 : x
  2. Step 2: Convert to fraction form
    314,449/444,519 = 444,519/x
  3. Step 3: Cross multiply
    314,449x = 444,519 × 444,519
  4. Step 4: Simplify right side
    314,449x = 197,597,141,361
  5. Step 5: Solve for x
    x = 197,597,141,361/314,449
  6. Step 6: Final answer
    x = 628,391.70

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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.