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Finding the Third Proportional to 109,154.75 and 234,908.75

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Solution

The third proportional to 109,154.75 and 234,908.75 is: 505,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,154.75 : 234,908.75 = 234,908.75 : x
  2. Step 2: Convert to fraction form
    109,154.75/234,908.75 = 234,908.75/x
  3. Step 3: Cross multiply
    109,154.75x = 234,908.75 × 234,908.75
  4. Step 4: Simplify right side
    109,154.75x = 55,182,120,826.56
  5. Step 5: Solve for x
    x = 55,182,120,826.56/109,154.75
  6. Step 6: Final answer
    x = 505,540.26

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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.