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Finding the Third Proportional to 40,910,919 and 90,902,061

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Solution

The third proportional to 40,910,919 and 90,902,061 is: 201,979,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910,919 : 90,902,061 = 90,902,061 : x
  2. Step 2: Convert to fraction form
    40,910,919/90,902,061 = 90,902,061/x
  3. Step 3: Cross multiply
    40,910,919x = 90,902,061 × 90,902,061
  4. Step 4: Simplify right side
    40,910,919x = 8,263,184,694,047,721
  5. Step 5: Solve for x
    x = 8,263,184,694,047,721/40,910,919
  6. Step 6: Final answer
    x = 201,979,933.38

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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.