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Finding the Third Proportional to 767,394 and 1,278,910

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Solution

The third proportional to 767,394 and 1,278,910 is: 2,131,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,394 : 1,278,910 = 1,278,910 : x
  2. Step 2: Convert to fraction form
    767,394/1,278,910 = 1,278,910/x
  3. Step 3: Cross multiply
    767,394x = 1,278,910 × 1,278,910
  4. Step 4: Simplify right side
    767,394x = 1,635,610,788,100
  5. Step 5: Solve for x
    x = 1,635,610,788,100/767,394
  6. Step 6: Final answer
    x = 2,131,383.34

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.