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Finding the Third Proportional to 20,450.81 and 43,373.81

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Solution

The third proportional to 20,450.81 and 43,373.81 is: 91,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.81 : 43,373.81 = 43,373.81 : x
  2. Step 2: Convert to fraction form
    20,450.81/43,373.81 = 43,373.81/x
  3. Step 3: Cross multiply
    20,450.81x = 43,373.81 × 43,373.81
  4. Step 4: Simplify right side
    20,450.81x = 1,881,287,610.79
  5. Step 5: Solve for x
    x = 1,881,287,610.79/20,450.81
  6. Step 6: Final answer
    x = 91,990.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.