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Finding the Third Proportional to 11,518.88 and 25,122.38

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Solution

The third proportional to 11,518.88 and 25,122.38 is: 54,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.88 : 25,122.38 = 25,122.38 : x
  2. Step 2: Convert to fraction form
    11,518.88/25,122.38 = 25,122.38/x
  3. Step 3: Cross multiply
    11,518.88x = 25,122.38 × 25,122.38
  4. Step 4: Simplify right side
    11,518.88x = 631,133,725.64
  5. Step 5: Solve for x
    x = 631,133,725.64/11,518.88
  6. Step 6: Final answer
    x = 54,791.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.