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Finding the Third Proportional to 4,040,392 and 8,977,640

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Solution

The third proportional to 4,040,392 and 8,977,640 is: 19,948,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,392 : 8,977,640 = 8,977,640 : x
  2. Step 2: Convert to fraction form
    4,040,392/8,977,640 = 8,977,640/x
  3. Step 3: Cross multiply
    4,040,392x = 8,977,640 × 8,977,640
  4. Step 4: Simplify right side
    4,040,392x = 80,598,019,969,600
  5. Step 5: Solve for x
    x = 80,598,019,969,600/4,040,392
  6. Step 6: Final answer
    x = 19,948,069.39

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.