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Finding the Third Proportional to 7,904,181 and 18,297,041

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Solution

The third proportional to 7,904,181 and 18,297,041 is: 42,355,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904,181 : 18,297,041 = 18,297,041 : x
  2. Step 2: Convert to fraction form
    7,904,181/18,297,041 = 18,297,041/x
  3. Step 3: Cross multiply
    7,904,181x = 18,297,041 × 18,297,041
  4. Step 4: Simplify right side
    7,904,181x = 334,781,709,355,681
  5. Step 5: Solve for x
    x = 334,781,709,355,681/7,904,181
  6. Step 6: Final answer
    x = 42,355,015.57

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.