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Finding the Third Proportional to 5,418.75 and 11,160.75

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Solution

The third proportional to 5,418.75 and 11,160.75 is: 22,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.75 : 11,160.75 = 11,160.75 : x
  2. Step 2: Convert to fraction form
    5,418.75/11,160.75 = 11,160.75/x
  3. Step 3: Cross multiply
    5,418.75x = 11,160.75 × 11,160.75
  4. Step 4: Simplify right side
    5,418.75x = 124,562,340.56
  5. Step 5: Solve for x
    x = 124,562,340.56/5,418.75
  6. Step 6: Final answer
    x = 22,987.28

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.