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Finding the Third Proportional to 126,878 and 275,627

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Solution

The third proportional to 126,878 and 275,627 is: 598,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,878 : 275,627 = 275,627 : x
  2. Step 2: Convert to fraction form
    126,878/275,627 = 275,627/x
  3. Step 3: Cross multiply
    126,878x = 275,627 × 275,627
  4. Step 4: Simplify right side
    126,878x = 75,970,243,129
  5. Step 5: Solve for x
    x = 75,970,243,129/126,878
  6. Step 6: Final answer
    x = 598,766.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.