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Finding the Third Proportional to 8,673.75 and 11,694.38

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Solution

The third proportional to 8,673.75 and 11,694.38 is: 15,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.75 : 11,694.38 = 11,694.38 : x
  2. Step 2: Convert to fraction form
    8,673.75/11,694.38 = 11,694.38/x
  3. Step 3: Cross multiply
    8,673.75x = 11,694.38 × 11,694.38
  4. Step 4: Simplify right side
    8,673.75x = 136,758,406.64
  5. Step 5: Solve for x
    x = 136,758,406.64/8,673.75
  6. Step 6: Final answer
    x = 15,766.93

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.