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Finding the Third Proportional to 62,409 and 136,481.25

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Solution

The third proportional to 62,409 and 136,481.25 is: 298,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409 : 136,481.25 = 136,481.25 : x
  2. Step 2: Convert to fraction form
    62,409/136,481.25 = 136,481.25/x
  3. Step 3: Cross multiply
    62,409x = 136,481.25 × 136,481.25
  4. Step 4: Simplify right side
    62,409x = 18,627,131,601.56
  5. Step 5: Solve for x
    x = 18,627,131,601.56/62,409
  6. Step 6: Final answer
    x = 298,468.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.