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Finding the Third Proportional to 79,531.88 and 171,520.03

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Solution

The third proportional to 79,531.88 and 171,520.03 is: 369,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,531.88 : 171,520.03 = 171,520.03 : x
  2. Step 2: Convert to fraction form
    79,531.88/171,520.03 = 171,520.03/x
  3. Step 3: Cross multiply
    79,531.88x = 171,520.03 × 171,520.03
  4. Step 4: Simplify right side
    79,531.88x = 29,419,121,120.00
  5. Step 5: Solve for x
    x = 29,419,121,120.00/79,531.88
  6. Step 6: Final answer
    x = 369,903.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.