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Finding the Third Proportional to 5,340,405 and 8,274,480.75

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Solution

The third proportional to 5,340,405 and 8,274,480.75 is: 12,820,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,405 : 8,274,480.75 = 8,274,480.75 : x
  2. Step 2: Convert to fraction form
    5,340,405/8,274,480.75 = 8,274,480.75/x
  3. Step 3: Cross multiply
    5,340,405x = 8,274,480.75 × 8,274,480.75
  4. Step 4: Simplify right side
    5,340,405x = 68,467,031,682,120.56
  5. Step 5: Solve for x
    x = 68,467,031,682,120.56/5,340,405
  6. Step 6: Final answer
    x = 12,820,569.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.