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Finding the Third Proportional to 9,220,821 and 13,860,999

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Solution

The third proportional to 9,220,821 and 13,860,999 is: 20,836,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,821 : 13,860,999 = 13,860,999 : x
  2. Step 2: Convert to fraction form
    9,220,821/13,860,999 = 13,860,999/x
  3. Step 3: Cross multiply
    9,220,821x = 13,860,999 × 13,860,999
  4. Step 4: Simplify right side
    9,220,821x = 192,127,293,278,001
  5. Step 5: Solve for x
    x = 192,127,293,278,001/9,220,821
  6. Step 6: Final answer
    x = 20,836,245.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.