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Finding the Third Proportional to 187,415.50 and 267,104

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Solution

The third proportional to 187,415.50 and 267,104 is: 380,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,415.50 : 267,104 = 267,104 : x
  2. Step 2: Convert to fraction form
    187,415.50/267,104 = 267,104/x
  3. Step 3: Cross multiply
    187,415.50x = 267,104 × 267,104
  4. Step 4: Simplify right side
    187,415.50x = 71,344,546,816
  5. Step 5: Solve for x
    x = 71,344,546,816/187,415.50
  6. Step 6: Final answer
    x = 380,675.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.