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Finding the Third Proportional to 53,340 and 115,234

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Solution

The third proportional to 53,340 and 115,234 is: 248,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340 : 115,234 = 115,234 : x
  2. Step 2: Convert to fraction form
    53,340/115,234 = 115,234/x
  3. Step 3: Cross multiply
    53,340x = 115,234 × 115,234
  4. Step 4: Simplify right side
    53,340x = 13,278,874,756
  5. Step 5: Solve for x
    x = 13,278,874,756/53,340
  6. Step 6: Final answer
    x = 248,947.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.