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Finding the Third Proportional to 27,999 and 43,321.50

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Solution

The third proportional to 27,999 and 43,321.50 is: 67,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999 : 43,321.50 = 43,321.50 : x
  2. Step 2: Convert to fraction form
    27,999/43,321.50 = 43,321.50/x
  3. Step 3: Cross multiply
    27,999x = 43,321.50 × 43,321.50
  4. Step 4: Simplify right side
    27,999x = 1,876,752,362.25
  5. Step 5: Solve for x
    x = 1,876,752,362.25/27,999
  6. Step 6: Final answer
    x = 67,029.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.