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Finding the Third Proportional to 62,648 and 131,447

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Solution

The third proportional to 62,648 and 131,447 is: 275,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,648 : 131,447 = 131,447 : x
  2. Step 2: Convert to fraction form
    62,648/131,447 = 131,447/x
  3. Step 3: Cross multiply
    62,648x = 131,447 × 131,447
  4. Step 4: Simplify right side
    62,648x = 17,278,313,809
  5. Step 5: Solve for x
    x = 17,278,313,809/62,648
  6. Step 6: Final answer
    x = 275,799.93

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.