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Finding the Third Proportional to 87,451.50 and 118,145

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Solution

The third proportional to 87,451.50 and 118,145 is: 159,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.50 : 118,145 = 118,145 : x
  2. Step 2: Convert to fraction form
    87,451.50/118,145 = 118,145/x
  3. Step 3: Cross multiply
    87,451.50x = 118,145 × 118,145
  4. Step 4: Simplify right side
    87,451.50x = 13,958,241,025
  5. Step 5: Solve for x
    x = 13,958,241,025/87,451.50
  6. Step 6: Final answer
    x = 159,611.22

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.