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Finding the Third Proportional to 20,949 and 43,963.50

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Solution

The third proportional to 20,949 and 43,963.50 is: 92,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949 : 43,963.50 = 43,963.50 : x
  2. Step 2: Convert to fraction form
    20,949/43,963.50 = 43,963.50/x
  3. Step 3: Cross multiply
    20,949x = 43,963.50 × 43,963.50
  4. Step 4: Simplify right side
    20,949x = 1,932,789,332.25
  5. Step 5: Solve for x
    x = 1,932,789,332.25/20,949
  6. Step 6: Final answer
    x = 92,261.65

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.