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Finding the Third Proportional to 192,633 and 255,603

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Solution

The third proportional to 192,633 and 255,603 is: 339,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,633 : 255,603 = 255,603 : x
  2. Step 2: Convert to fraction form
    192,633/255,603 = 255,603/x
  3. Step 3: Cross multiply
    192,633x = 255,603 × 255,603
  4. Step 4: Simplify right side
    192,633x = 65,332,893,609
  5. Step 5: Solve for x
    x = 65,332,893,609/192,633
  6. Step 6: Final answer
    x = 339,157.33

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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.