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Finding the Third Proportional to 126,760 and 275,417

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Solution

The third proportional to 126,760 and 275,417 is: 598,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,760 : 275,417 = 275,417 : x
  2. Step 2: Convert to fraction form
    126,760/275,417 = 275,417/x
  3. Step 3: Cross multiply
    126,760x = 275,417 × 275,417
  4. Step 4: Simplify right side
    126,760x = 75,854,523,889
  5. Step 5: Solve for x
    x = 75,854,523,889/126,760
  6. Step 6: Final answer
    x = 598,410.57

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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.