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Finding the Third Proportional to 40,749 and 84,036

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Solution

The third proportional to 40,749 and 84,036 is: 173,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749 : 84,036 = 84,036 : x
  2. Step 2: Convert to fraction form
    40,749/84,036 = 84,036/x
  3. Step 3: Cross multiply
    40,749x = 84,036 × 84,036
  4. Step 4: Simplify right side
    40,749x = 7,062,049,296
  5. Step 5: Solve for x
    x = 7,062,049,296/40,749
  6. Step 6: Final answer
    x = 173,306.08

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.