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Finding the Third Proportional to 8,782.17 and 10,240.17

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Solution

The third proportional to 8,782.17 and 10,240.17 is: 11,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.17 : 10,240.17 = 10,240.17 : x
  2. Step 2: Convert to fraction form
    8,782.17/10,240.17 = 10,240.17/x
  3. Step 3: Cross multiply
    8,782.17x = 10,240.17 × 10,240.17
  4. Step 4: Simplify right side
    8,782.17x = 104,861,120.03
  5. Step 5: Solve for x
    x = 104,861,120.03/8,782.17
  6. Step 6: Final answer
    x = 11,940.23

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.