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Finding the Third Proportional to 8,819,753 and 18,990,799

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Solution

The third proportional to 8,819,753 and 18,990,799 is: 40,891,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819,753 : 18,990,799 = 18,990,799 : x
  2. Step 2: Convert to fraction form
    8,819,753/18,990,799 = 18,990,799/x
  3. Step 3: Cross multiply
    8,819,753x = 18,990,799 × 18,990,799
  4. Step 4: Simplify right side
    8,819,753x = 360,650,446,658,401
  5. Step 5: Solve for x
    x = 360,650,446,658,401/8,819,753
  6. Step 6: Final answer
    x = 40,891,218.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.