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Finding the Third Proportional to 8,326.13 and 17,880.75

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Solution

The third proportional to 8,326.13 and 17,880.75 is: 38,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.13 : 17,880.75 = 17,880.75 : x
  2. Step 2: Convert to fraction form
    8,326.13/17,880.75 = 17,880.75/x
  3. Step 3: Cross multiply
    8,326.13x = 17,880.75 × 17,880.75
  4. Step 4: Simplify right side
    8,326.13x = 319,721,220.56
  5. Step 5: Solve for x
    x = 319,721,220.56/8,326.13
  6. Step 6: Final answer
    x = 38,399.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.