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Finding the Third Proportional to 7,443 and 11,519.63

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Solution

The third proportional to 7,443 and 11,519.63 is: 17,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443 : 11,519.63 = 11,519.63 : x
  2. Step 2: Convert to fraction form
    7,443/11,519.63 = 11,519.63/x
  3. Step 3: Cross multiply
    7,443x = 11,519.63 × 11,519.63
  4. Step 4: Simplify right side
    7,443x = 132,701,760.14
  5. Step 5: Solve for x
    x = 132,701,760.14/7,443
  6. Step 6: Final answer
    x = 17,829.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.