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Finding the Third Proportional to 40,314 and 87,625

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Solution

The third proportional to 40,314 and 87,625 is: 190,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314 : 87,625 = 87,625 : x
  2. Step 2: Convert to fraction form
    40,314/87,625 = 87,625/x
  3. Step 3: Cross multiply
    40,314x = 87,625 × 87,625
  4. Step 4: Simplify right side
    40,314x = 7,678,140,625
  5. Step 5: Solve for x
    x = 7,678,140,625/40,314
  6. Step 6: Final answer
    x = 190,458.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.