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Finding the Third Proportional to 5,387,256 and 11,629,116

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Solution

The third proportional to 5,387,256 and 11,629,116 is: 25,103,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,256 : 11,629,116 = 11,629,116 : x
  2. Step 2: Convert to fraction form
    5,387,256/11,629,116 = 11,629,116/x
  3. Step 3: Cross multiply
    5,387,256x = 11,629,116 × 11,629,116
  4. Step 4: Simplify right side
    5,387,256x = 135,236,338,941,456
  5. Step 5: Solve for x
    x = 135,236,338,941,456/5,387,256
  6. Step 6: Final answer
    x = 25,103,009.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.