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Finding the Third Proportional to 380,967 and 814,422

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Solution

The third proportional to 380,967 and 814,422 is: 1,741,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,967 : 814,422 = 814,422 : x
  2. Step 2: Convert to fraction form
    380,967/814,422 = 814,422/x
  3. Step 3: Cross multiply
    380,967x = 814,422 × 814,422
  4. Step 4: Simplify right side
    380,967x = 663,283,194,084
  5. Step 5: Solve for x
    x = 663,283,194,084/380,967
  6. Step 6: Final answer
    x = 1,741,051.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.