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Finding the Third Proportional to 192,690 and 255,672

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Solution

The third proportional to 192,690 and 255,672 is: 339,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,690 : 255,672 = 255,672 : x
  2. Step 2: Convert to fraction form
    192,690/255,672 = 255,672/x
  3. Step 3: Cross multiply
    192,690x = 255,672 × 255,672
  4. Step 4: Simplify right side
    192,690x = 65,368,171,584
  5. Step 5: Solve for x
    x = 65,368,171,584/192,690
  6. Step 6: Final answer
    x = 339,240.08

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.