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Finding the Third Proportional to 7,420,799 and 11,351,899

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Solution

The third proportional to 7,420,799 and 11,351,899 is: 17,365,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,799 : 11,351,899 = 11,351,899 : x
  2. Step 2: Convert to fraction form
    7,420,799/11,351,899 = 11,351,899/x
  3. Step 3: Cross multiply
    7,420,799x = 11,351,899 × 11,351,899
  4. Step 4: Simplify right side
    7,420,799x = 128,865,610,906,201
  5. Step 5: Solve for x
    x = 128,865,610,906,201/7,420,799
  6. Step 6: Final answer
    x = 17,365,463.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.