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Finding the Third Proportional to 8,964.75 and 19,698.75

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Solution

The third proportional to 8,964.75 and 19,698.75 is: 43,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.75 : 19,698.75 = 19,698.75 : x
  2. Step 2: Convert to fraction form
    8,964.75/19,698.75 = 19,698.75/x
  3. Step 3: Cross multiply
    8,964.75x = 19,698.75 × 19,698.75
  4. Step 4: Simplify right side
    8,964.75x = 388,040,751.56
  5. Step 5: Solve for x
    x = 388,040,751.56/8,964.75
  6. Step 6: Final answer
    x = 43,285.17

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Why These Related Problems?

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