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Finding the Third Proportional to 1,324,300.50 and 1,990,500.75

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Solution

The third proportional to 1,324,300.50 and 1,990,500.75 is: 2,991,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,300.50 : 1,990,500.75 = 1,990,500.75 : x
  2. Step 2: Convert to fraction form
    1,324,300.50/1,990,500.75 = 1,990,500.75/x
  3. Step 3: Cross multiply
    1,324,300.50x = 1,990,500.75 × 1,990,500.75
  4. Step 4: Simplify right side
    1,324,300.50x = 3,962,093,235,750.56
  5. Step 5: Solve for x
    x = 3,962,093,235,750.56/1,324,300.50
  6. Step 6: Final answer
    x = 2,991,838.51

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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.