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Finding the Third Proportional to 20,639.81 and 44,696.81

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Solution

The third proportional to 20,639.81 and 44,696.81 is: 96,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.81 : 44,696.81 = 44,696.81 : x
  2. Step 2: Convert to fraction form
    20,639.81/44,696.81 = 44,696.81/x
  3. Step 3: Cross multiply
    20,639.81x = 44,696.81 × 44,696.81
  4. Step 4: Simplify right side
    20,639.81x = 1,997,805,047.66
  5. Step 5: Solve for x
    x = 1,997,805,047.66/20,639.81
  6. Step 6: Final answer
    x = 96,793.76

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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.