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Finding the Third Proportional to 8,756.08 and 18,896.11

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Solution

The third proportional to 8,756.08 and 18,896.11 is: 40,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.08 : 18,896.11 = 18,896.11 : x
  2. Step 2: Convert to fraction form
    8,756.08/18,896.11 = 18,896.11/x
  3. Step 3: Cross multiply
    8,756.08x = 18,896.11 × 18,896.11
  4. Step 4: Simplify right side
    8,756.08x = 357,063,067.15
  5. Step 5: Solve for x
    x = 357,063,067.15/8,756.08
  6. Step 6: Final answer
    x = 40,778.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.