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Finding the Third Proportional to 5,143.75 and 11,068.13

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Solution

The third proportional to 5,143.75 and 11,068.13 is: 23,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.75 : 11,068.13 = 11,068.13 : x
  2. Step 2: Convert to fraction form
    5,143.75/11,068.13 = 11,068.13/x
  3. Step 3: Cross multiply
    5,143.75x = 11,068.13 × 11,068.13
  4. Step 4: Simplify right side
    5,143.75x = 122,503,391.02
  5. Step 5: Solve for x
    x = 122,503,391.02/5,143.75
  6. Step 6: Final answer
    x = 23,815.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.