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Finding the Third Proportional to 8,809.69 and 12,080.44

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Solution

The third proportional to 8,809.69 and 12,080.44 is: 16,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.69 : 12,080.44 = 12,080.44 : x
  2. Step 2: Convert to fraction form
    8,809.69/12,080.44 = 12,080.44/x
  3. Step 3: Cross multiply
    8,809.69x = 12,080.44 × 12,080.44
  4. Step 4: Simplify right side
    8,809.69x = 145,936,970.19
  5. Step 5: Solve for x
    x = 145,936,970.19/8,809.69
  6. Step 6: Final answer
    x = 16,565.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.