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Finding the Third Proportional to 18,999 and 43,986

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Solution

The third proportional to 18,999 and 43,986 is: 101,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999 : 43,986 = 43,986 : x
  2. Step 2: Convert to fraction form
    18,999/43,986 = 43,986/x
  3. Step 3: Cross multiply
    18,999x = 43,986 × 43,986
  4. Step 4: Simplify right side
    18,999x = 1,934,768,196
  5. Step 5: Solve for x
    x = 1,934,768,196/18,999
  6. Step 6: Final answer
    x = 101,835.26

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.