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Finding the Third Proportional to 28,828 and 43,824

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Solution

The third proportional to 28,828 and 43,824 is: 66,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828 : 43,824 = 43,824 : x
  2. Step 2: Convert to fraction form
    28,828/43,824 = 43,824/x
  3. Step 3: Cross multiply
    28,828x = 43,824 × 43,824
  4. Step 4: Simplify right side
    28,828x = 1,920,542,976
  5. Step 5: Solve for x
    x = 1,920,542,976/28,828
  6. Step 6: Final answer
    x = 66,620.75

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.