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Finding the Third Proportional to 113,379 and 247,170

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Solution

The third proportional to 113,379 and 247,170 is: 538,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379 : 247,170 = 247,170 : x
  2. Step 2: Convert to fraction form
    113,379/247,170 = 247,170/x
  3. Step 3: Cross multiply
    113,379x = 247,170 × 247,170
  4. Step 4: Simplify right side
    113,379x = 61,093,008,900
  5. Step 5: Solve for x
    x = 61,093,008,900/113,379
  6. Step 6: Final answer
    x = 538,838.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.