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Finding the Third Proportional to 115,230 and 172,848

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Solution

The third proportional to 115,230 and 172,848 is: 259,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230 : 172,848 = 172,848 : x
  2. Step 2: Convert to fraction form
    115,230/172,848 = 172,848/x
  3. Step 3: Cross multiply
    115,230x = 172,848 × 172,848
  4. Step 4: Simplify right side
    115,230x = 29,876,431,104
  5. Step 5: Solve for x
    x = 29,876,431,104/115,230
  6. Step 6: Final answer
    x = 259,276.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.