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Finding the Third Proportional to 20,790.75 and 45,568.13

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Solution

The third proportional to 20,790.75 and 45,568.13 is: 99,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790.75 : 45,568.13 = 45,568.13 : x
  2. Step 2: Convert to fraction form
    20,790.75/45,568.13 = 45,568.13/x
  3. Step 3: Cross multiply
    20,790.75x = 45,568.13 × 45,568.13
  4. Step 4: Simplify right side
    20,790.75x = 2,076,454,016.02
  5. Step 5: Solve for x
    x = 2,076,454,016.02/20,790.75
  6. Step 6: Final answer
    x = 99,873.94

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.