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Finding the Third Proportional to 20,169 and 43,908.75

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Solution

The third proportional to 20,169 and 43,908.75 is: 95,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169 : 43,908.75 = 43,908.75 : x
  2. Step 2: Convert to fraction form
    20,169/43,908.75 = 43,908.75/x
  3. Step 3: Cross multiply
    20,169x = 43,908.75 × 43,908.75
  4. Step 4: Simplify right side
    20,169x = 1,927,978,326.56
  5. Step 5: Solve for x
    x = 1,927,978,326.56/20,169
  6. Step 6: Final answer
    x = 95,591.17

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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.