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Finding the Third Proportional to 53,272 and 115,760

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Solution

The third proportional to 53,272 and 115,760 is: 251,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272 : 115,760 = 115,760 : x
  2. Step 2: Convert to fraction form
    53,272/115,760 = 115,760/x
  3. Step 3: Cross multiply
    53,272x = 115,760 × 115,760
  4. Step 4: Simplify right side
    53,272x = 13,400,377,600
  5. Step 5: Solve for x
    x = 13,400,377,600/53,272
  6. Step 6: Final answer
    x = 251,546.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.