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Finding the Third Proportional to 1,218,393 and 2,640,177

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Solution

The third proportional to 1,218,393 and 2,640,177 is: 5,721,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,393 : 2,640,177 = 2,640,177 : x
  2. Step 2: Convert to fraction form
    1,218,393/2,640,177 = 2,640,177/x
  3. Step 3: Cross multiply
    1,218,393x = 2,640,177 × 2,640,177
  4. Step 4: Simplify right side
    1,218,393x = 6,970,534,591,329
  5. Step 5: Solve for x
    x = 6,970,534,591,329/1,218,393
  6. Step 6: Final answer
    x = 5,721,088.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.