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Finding the Third Proportional to 111,118 and 176,519

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Solution

The third proportional to 111,118 and 176,519 is: 280,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,118 : 176,519 = 176,519 : x
  2. Step 2: Convert to fraction form
    111,118/176,519 = 176,519/x
  3. Step 3: Cross multiply
    111,118x = 176,519 × 176,519
  4. Step 4: Simplify right side
    111,118x = 31,158,957,361
  5. Step 5: Solve for x
    x = 31,158,957,361/111,118
  6. Step 6: Final answer
    x = 280,413.23

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.