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Finding the Third Proportional to 20,169.28 and 43,740.56

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Solution

The third proportional to 20,169.28 and 43,740.56 is: 94,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.28 : 43,740.56 = 43,740.56 : x
  2. Step 2: Convert to fraction form
    20,169.28/43,740.56 = 43,740.56/x
  3. Step 3: Cross multiply
    20,169.28x = 43,740.56 × 43,740.56
  4. Step 4: Simplify right side
    20,169.28x = 1,913,236,807.82
  5. Step 5: Solve for x
    x = 1,913,236,807.82/20,169.28
  6. Step 6: Final answer
    x = 94,858.95

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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.