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Finding the Third Proportional to 628,770 and 888,843

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Solution

The third proportional to 628,770 and 888,843 is: 1,256,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,770 : 888,843 = 888,843 : x
  2. Step 2: Convert to fraction form
    628,770/888,843 = 888,843/x
  3. Step 3: Cross multiply
    628,770x = 888,843 × 888,843
  4. Step 4: Simplify right side
    628,770x = 790,041,878,649
  5. Step 5: Solve for x
    x = 790,041,878,649/628,770
  6. Step 6: Final answer
    x = 1,256,487.87

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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.