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Finding the Third Proportional to 80,045 and 172,504

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Solution

The third proportional to 80,045 and 172,504 is: 371,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,045 : 172,504 = 172,504 : x
  2. Step 2: Convert to fraction form
    80,045/172,504 = 172,504/x
  3. Step 3: Cross multiply
    80,045x = 172,504 × 172,504
  4. Step 4: Simplify right side
    80,045x = 29,757,630,016
  5. Step 5: Solve for x
    x = 29,757,630,016/80,045
  6. Step 6: Final answer
    x = 371,761.26

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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.