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Finding the Third Proportional to 37,245 and 81,039

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Solution

The third proportional to 37,245 and 81,039 is: 176,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245 : 81,039 = 81,039 : x
  2. Step 2: Convert to fraction form
    37,245/81,039 = 81,039/x
  3. Step 3: Cross multiply
    37,245x = 81,039 × 81,039
  4. Step 4: Simplify right side
    37,245x = 6,567,319,521
  5. Step 5: Solve for x
    x = 6,567,319,521/37,245
  6. Step 6: Final answer
    x = 176,327.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.