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Finding the Third Proportional to 628,830 and 888,923

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Solution

The third proportional to 628,830 and 888,923 is: 1,256,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,830 : 888,923 = 888,923 : x
  2. Step 2: Convert to fraction form
    628,830/888,923 = 888,923/x
  3. Step 3: Cross multiply
    628,830x = 888,923 × 888,923
  4. Step 4: Simplify right side
    628,830x = 790,184,099,929
  5. Step 5: Solve for x
    x = 790,184,099,929/628,830
  6. Step 6: Final answer
    x = 1,256,594.15

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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.