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Finding the Third Proportional to 117,404 and 255,760

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Solution

The third proportional to 117,404 and 255,760 is: 557,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,404 : 255,760 = 255,760 : x
  2. Step 2: Convert to fraction form
    117,404/255,760 = 255,760/x
  3. Step 3: Cross multiply
    117,404x = 255,760 × 255,760
  4. Step 4: Simplify right side
    117,404x = 65,413,177,600
  5. Step 5: Solve for x
    x = 65,413,177,600/117,404
  6. Step 6: Final answer
    x = 557,163.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.