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Finding the Third Proportional to 628,872 and 888,996

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Solution

The third proportional to 628,872 and 888,996 is: 1,256,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,872 : 888,996 = 888,996 : x
  2. Step 2: Convert to fraction form
    628,872/888,996 = 888,996/x
  3. Step 3: Cross multiply
    628,872x = 888,996 × 888,996
  4. Step 4: Simplify right side
    628,872x = 790,313,888,016
  5. Step 5: Solve for x
    x = 790,313,888,016/628,872
  6. Step 6: Final answer
    x = 1,256,716.61

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.