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Finding the Third Proportional to 72,372 and 157,134

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Solution

The third proportional to 72,372 and 157,134 is: 341,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372 : 157,134 = 157,134 : x
  2. Step 2: Convert to fraction form
    72,372/157,134 = 157,134/x
  3. Step 3: Cross multiply
    72,372x = 157,134 × 157,134
  4. Step 4: Simplify right side
    72,372x = 24,691,093,956
  5. Step 5: Solve for x
    x = 24,691,093,956/72,372
  6. Step 6: Final answer
    x = 341,169.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.