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Finding the Third Proportional to 228,608.63 and 339,600.38

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Solution

The third proportional to 228,608.63 and 339,600.38 is: 504,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,608.63 : 339,600.38 = 339,600.38 : x
  2. Step 2: Convert to fraction form
    228,608.63/339,600.38 = 339,600.38/x
  3. Step 3: Cross multiply
    228,608.63x = 339,600.38 × 339,600.38
  4. Step 4: Simplify right side
    228,608.63x = 115,328,414,700.14
  5. Step 5: Solve for x
    x = 115,328,414,700.14/228,608.63
  6. Step 6: Final answer
    x = 504,479.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.