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Finding the Third Proportional to 40,219 and 87,350

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Solution

The third proportional to 40,219 and 87,350 is: 189,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219 : 87,350 = 87,350 : x
  2. Step 2: Convert to fraction form
    40,219/87,350 = 87,350/x
  3. Step 3: Cross multiply
    40,219x = 87,350 × 87,350
  4. Step 4: Simplify right side
    40,219x = 7,630,022,500
  5. Step 5: Solve for x
    x = 7,630,022,500/40,219
  6. Step 6: Final answer
    x = 189,711.89

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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.