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Finding the Third Proportional to 20,616.75 and 43,899.75

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Solution

The third proportional to 20,616.75 and 43,899.75 is: 93,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.75 : 43,899.75 = 43,899.75 : x
  2. Step 2: Convert to fraction form
    20,616.75/43,899.75 = 43,899.75/x
  3. Step 3: Cross multiply
    20,616.75x = 43,899.75 × 43,899.75
  4. Step 4: Simplify right side
    20,616.75x = 1,927,188,050.06
  5. Step 5: Solve for x
    x = 1,927,188,050.06/20,616.75
  6. Step 6: Final answer
    x = 93,476.81

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.