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Finding the Third Proportional to 8,317.69 and 11,760.19

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Solution

The third proportional to 8,317.69 and 11,760.19 is: 16,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.69 : 11,760.19 = 11,760.19 : x
  2. Step 2: Convert to fraction form
    8,317.69/11,760.19 = 11,760.19/x
  3. Step 3: Cross multiply
    8,317.69x = 11,760.19 × 11,760.19
  4. Step 4: Simplify right side
    8,317.69x = 138,302,010.04
  5. Step 5: Solve for x
    x = 138,302,010.04/8,317.69
  6. Step 6: Final answer
    x = 16,627.46

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.