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Finding the Third Proportional to 5,555 and 11,828

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Solution

The third proportional to 5,555 and 11,828 is: 25,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555 : 11,828 = 11,828 : x
  2. Step 2: Convert to fraction form
    5,555/11,828 = 11,828/x
  3. Step 3: Cross multiply
    5,555x = 11,828 × 11,828
  4. Step 4: Simplify right side
    5,555x = 139,901,584
  5. Step 5: Solve for x
    x = 139,901,584/5,555
  6. Step 6: Final answer
    x = 25,184.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.