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Finding the Third Proportional to 1,215,351 and 2,649,393

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Solution

The third proportional to 1,215,351 and 2,649,393 is: 5,775,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,351 : 2,649,393 = 2,649,393 : x
  2. Step 2: Convert to fraction form
    1,215,351/2,649,393 = 2,649,393/x
  3. Step 3: Cross multiply
    1,215,351x = 2,649,393 × 2,649,393
  4. Step 4: Simplify right side
    1,215,351x = 7,019,283,268,449
  5. Step 5: Solve for x
    x = 7,019,283,268,449/1,215,351
  6. Step 6: Final answer
    x = 5,775,519.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.