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Finding the Third Proportional to 5,340,403 and 8,274,477

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Solution

The third proportional to 5,340,403 and 8,274,477 is: 12,820,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,403 : 8,274,477 = 8,274,477 : x
  2. Step 2: Convert to fraction form
    5,340,403/8,274,477 = 8,274,477/x
  3. Step 3: Cross multiply
    5,340,403x = 8,274,477 × 8,274,477
  4. Step 4: Simplify right side
    5,340,403x = 68,466,969,623,529
  5. Step 5: Solve for x
    x = 68,466,969,623,529/5,340,403
  6. Step 6: Final answer
    x = 12,820,562.35

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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.