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Finding the Third Proportional to 149,608 and 218,625

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Solution

The third proportional to 149,608 and 218,625 is: 319,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,608 : 218,625 = 218,625 : x
  2. Step 2: Convert to fraction form
    149,608/218,625 = 218,625/x
  3. Step 3: Cross multiply
    149,608x = 218,625 × 218,625
  4. Step 4: Simplify right side
    149,608x = 47,796,890,625
  5. Step 5: Solve for x
    x = 47,796,890,625/149,608
  6. Step 6: Final answer
    x = 319,480.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.