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Finding the Third Proportional to 20,808.56 and 45,759.94

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Solution

The third proportional to 20,808.56 and 45,759.94 is: 100,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.56 : 45,759.94 = 45,759.94 : x
  2. Step 2: Convert to fraction form
    20,808.56/45,759.94 = 45,759.94/x
  3. Step 3: Cross multiply
    20,808.56x = 45,759.94 × 45,759.94
  4. Step 4: Simplify right side
    20,808.56x = 2,093,971,880.00
  5. Step 5: Solve for x
    x = 2,093,971,880.00/20,808.56
  6. Step 6: Final answer
    x = 100,630.30

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.