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Finding the Third Proportional to 5,460 and 11,244

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Solution

The third proportional to 5,460 and 11,244 is: 23,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460 : 11,244 = 11,244 : x
  2. Step 2: Convert to fraction form
    5,460/11,244 = 11,244/x
  3. Step 3: Cross multiply
    5,460x = 11,244 × 11,244
  4. Step 4: Simplify right side
    5,460x = 126,427,536
  5. Step 5: Solve for x
    x = 126,427,536/5,460
  6. Step 6: Final answer
    x = 23,155.23

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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.