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Finding the Third Proportional to 5,382 and 11,061

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Solution

The third proportional to 5,382 and 11,061 is: 22,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382 : 11,061 = 11,061 : x
  2. Step 2: Convert to fraction form
    5,382/11,061 = 11,061/x
  3. Step 3: Cross multiply
    5,382x = 11,061 × 11,061
  4. Step 4: Simplify right side
    5,382x = 122,345,721
  5. Step 5: Solve for x
    x = 122,345,721/5,382
  6. Step 6: Final answer
    x = 22,732.39

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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.