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Finding the Third Proportional to 918,180 and 1,998,950

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Solution

The third proportional to 918,180 and 1,998,950 is: 4,351,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,180 : 1,998,950 = 1,998,950 : x
  2. Step 2: Convert to fraction form
    918,180/1,998,950 = 1,998,950/x
  3. Step 3: Cross multiply
    918,180x = 1,998,950 × 1,998,950
  4. Step 4: Simplify right side
    918,180x = 3,995,801,102,500
  5. Step 5: Solve for x
    x = 3,995,801,102,500/918,180
  6. Step 6: Final answer
    x = 4,351,871.20

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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.