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Finding the Third Proportional to 109,896.75 and 171,406.13

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Solution

The third proportional to 109,896.75 and 171,406.13 is: 267,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,896.75 : 171,406.13 = 171,406.13 : x
  2. Step 2: Convert to fraction form
    109,896.75/171,406.13 = 171,406.13/x
  3. Step 3: Cross multiply
    109,896.75x = 171,406.13 × 171,406.13
  4. Step 4: Simplify right side
    109,896.75x = 29,380,059,687.52
  5. Step 5: Solve for x
    x = 29,380,059,687.52/109,896.75
  6. Step 6: Final answer
    x = 267,342.39

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.