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Finding the Third Proportional to 8,568.25 and 18,776.75

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Solution

The third proportional to 8,568.25 and 18,776.75 is: 41,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.25 : 18,776.75 = 18,776.75 : x
  2. Step 2: Convert to fraction form
    8,568.25/18,776.75 = 18,776.75/x
  3. Step 3: Cross multiply
    8,568.25x = 18,776.75 × 18,776.75
  4. Step 4: Simplify right side
    8,568.25x = 352,566,340.56
  5. Step 5: Solve for x
    x = 352,566,340.56/8,568.25
  6. Step 6: Final answer
    x = 41,148.00

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Why These Related Problems?

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