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Finding the Third Proportional to 4,040,393 and 8,977,642

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Solution

The third proportional to 4,040,393 and 8,977,642 is: 19,948,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,393 : 8,977,642 = 8,977,642 : x
  2. Step 2: Convert to fraction form
    4,040,393/8,977,642 = 8,977,642/x
  3. Step 3: Cross multiply
    4,040,393x = 8,977,642 × 8,977,642
  4. Step 4: Simplify right side
    4,040,393x = 80,598,055,880,164
  5. Step 5: Solve for x
    x = 80,598,055,880,164/4,040,393
  6. Step 6: Final answer
    x = 19,948,073.34

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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.