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Finding the Third Proportional to 226,353 and 317,256

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Solution

The third proportional to 226,353 and 317,256 is: 444,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,353 : 317,256 = 317,256 : x
  2. Step 2: Convert to fraction form
    226,353/317,256 = 317,256/x
  3. Step 3: Cross multiply
    226,353x = 317,256 × 317,256
  4. Step 4: Simplify right side
    226,353x = 100,651,369,536
  5. Step 5: Solve for x
    x = 100,651,369,536/226,353
  6. Step 6: Final answer
    x = 444,665.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.