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Finding the Third Proportional to 5,479.69 and 11,984.44

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Solution

The third proportional to 5,479.69 and 11,984.44 is: 26,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.69 : 11,984.44 = 11,984.44 : x
  2. Step 2: Convert to fraction form
    5,479.69/11,984.44 = 11,984.44/x
  3. Step 3: Cross multiply
    5,479.69x = 11,984.44 × 11,984.44
  4. Step 4: Simplify right side
    5,479.69x = 143,626,742.19
  5. Step 5: Solve for x
    x = 143,626,742.19/5,479.69
  6. Step 6: Final answer
    x = 26,210.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.