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Finding the Third Proportional to 8,727.75 and 19,217.25

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Solution

The third proportional to 8,727.75 and 19,217.25 is: 42,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.75 : 19,217.25 = 19,217.25 : x
  2. Step 2: Convert to fraction form
    8,727.75/19,217.25 = 19,217.25/x
  3. Step 3: Cross multiply
    8,727.75x = 19,217.25 × 19,217.25
  4. Step 4: Simplify right side
    8,727.75x = 369,302,697.56
  5. Step 5: Solve for x
    x = 369,302,697.56/8,727.75
  6. Step 6: Final answer
    x = 42,313.62

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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.