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Finding the Third Proportional to 144,477 and 313,983

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Solution

The third proportional to 144,477 and 313,983 is: 682,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,477 : 313,983 = 313,983 : x
  2. Step 2: Convert to fraction form
    144,477/313,983 = 313,983/x
  3. Step 3: Cross multiply
    144,477x = 313,983 × 313,983
  4. Step 4: Simplify right side
    144,477x = 98,585,324,289
  5. Step 5: Solve for x
    x = 98,585,324,289/144,477
  6. Step 6: Final answer
    x = 682,359.99

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.