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Finding the Third Proportional to 5,486 and 11,836

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Solution

The third proportional to 5,486 and 11,836 is: 25,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486 : 11,836 = 11,836 : x
  2. Step 2: Convert to fraction form
    5,486/11,836 = 11,836/x
  3. Step 3: Cross multiply
    5,486x = 11,836 × 11,836
  4. Step 4: Simplify right side
    5,486x = 140,090,896
  5. Step 5: Solve for x
    x = 140,090,896/5,486
  6. Step 6: Final answer
    x = 25,536.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.