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Finding the Third Proportional to 115,340 and 248,456

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Solution

The third proportional to 115,340 and 248,456 is: 535,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,340 : 248,456 = 248,456 : x
  2. Step 2: Convert to fraction form
    115,340/248,456 = 248,456/x
  3. Step 3: Cross multiply
    115,340x = 248,456 × 248,456
  4. Step 4: Simplify right side
    115,340x = 61,730,383,936
  5. Step 5: Solve for x
    x = 61,730,383,936/115,340
  6. Step 6: Final answer
    x = 535,203.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.