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Finding the Third Proportional to 1,279,890 and 2,765,044

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Solution

The third proportional to 1,279,890 and 2,765,044 is: 5,973,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,890 : 2,765,044 = 2,765,044 : x
  2. Step 2: Convert to fraction form
    1,279,890/2,765,044 = 2,765,044/x
  3. Step 3: Cross multiply
    1,279,890x = 2,765,044 × 2,765,044
  4. Step 4: Simplify right side
    1,279,890x = 7,645,468,321,936
  5. Step 5: Solve for x
    x = 7,645,468,321,936/1,279,890
  6. Step 6: Final answer
    x = 5,973,535.48

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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.