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Finding the Third Proportional to 18,372 and 40,262

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Solution

The third proportional to 18,372 and 40,262 is: 88,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372 : 40,262 = 40,262 : x
  2. Step 2: Convert to fraction form
    18,372/40,262 = 40,262/x
  3. Step 3: Cross multiply
    18,372x = 40,262 × 40,262
  4. Step 4: Simplify right side
    18,372x = 1,621,028,644
  5. Step 5: Solve for x
    x = 1,621,028,644/18,372
  6. Step 6: Final answer
    x = 88,233.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.