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Finding the Third Proportional to 11,035.13 and 15,517.69

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Solution

The third proportional to 11,035.13 and 15,517.69 is: 21,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.13 : 15,517.69 = 15,517.69 : x
  2. Step 2: Convert to fraction form
    11,035.13/15,517.69 = 15,517.69/x
  3. Step 3: Cross multiply
    11,035.13x = 15,517.69 × 15,517.69
  4. Step 4: Simplify right side
    11,035.13x = 240,798,625.35
  5. Step 5: Solve for x
    x = 240,798,625.35/11,035.13
  6. Step 6: Final answer
    x = 21,821.11

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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.