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Finding the Third Proportional to 172.50 and 232.13

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Solution

The third proportional to 172.50 and 232.13 is: 312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172.50 : 232.13 = 232.13 : x
  2. Step 2: Convert to fraction form
    172.50/232.13 = 232.13/x
  3. Step 3: Cross multiply
    172.50x = 232.13 × 232.13
  4. Step 4: Simplify right side
    172.50x = 53,882.02
  5. Step 5: Solve for x
    x = 53,882.02/172.50
  6. Step 6: Final answer
    x = 312.36

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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.