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Finding the Third Proportional to 8,212.64 and 19,233.07

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Solution

The third proportional to 8,212.64 and 19,233.07 is: 45,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.64 : 19,233.07 = 19,233.07 : x
  2. Step 2: Convert to fraction form
    8,212.64/19,233.07 = 19,233.07/x
  3. Step 3: Cross multiply
    8,212.64x = 19,233.07 × 19,233.07
  4. Step 4: Simplify right side
    8,212.64x = 369,910,993.65
  5. Step 5: Solve for x
    x = 369,910,993.65/8,212.64
  6. Step 6: Final answer
    x = 45,041.66

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.