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Finding the Third Proportional to 224,556 and 339,161

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Solution

The third proportional to 224,556 and 339,161 is: 512,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,556 : 339,161 = 339,161 : x
  2. Step 2: Convert to fraction form
    224,556/339,161 = 339,161/x
  3. Step 3: Cross multiply
    224,556x = 339,161 × 339,161
  4. Step 4: Simplify right side
    224,556x = 115,030,183,921
  5. Step 5: Solve for x
    x = 115,030,183,921/224,556
  6. Step 6: Final answer
    x = 512,256.11

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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.