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Finding the Third Proportional to 8,238.66 and 19,440.28

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Solution

The third proportional to 8,238.66 and 19,440.28 is: 45,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.66 : 19,440.28 = 19,440.28 : x
  2. Step 2: Convert to fraction form
    8,238.66/19,440.28 = 19,440.28/x
  3. Step 3: Cross multiply
    8,238.66x = 19,440.28 × 19,440.28
  4. Step 4: Simplify right side
    8,238.66x = 377,924,535.08
  5. Step 5: Solve for x
    x = 377,924,535.08/8,238.66
  6. Step 6: Final answer
    x = 45,872.11

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.