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Finding the Third Proportional to 5,181.47 and 11,040.05

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Solution

The third proportional to 5,181.47 and 11,040.05 is: 23,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.47 : 11,040.05 = 11,040.05 : x
  2. Step 2: Convert to fraction form
    5,181.47/11,040.05 = 11,040.05/x
  3. Step 3: Cross multiply
    5,181.47x = 11,040.05 × 11,040.05
  4. Step 4: Simplify right side
    5,181.47x = 121,882,635.00
  5. Step 5: Solve for x
    x = 121,882,635.00/5,181.47
  6. Step 6: Final answer
    x = 23,522.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.