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Finding the Third Proportional to 126,759.75 and 275,416.50

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Solution

The third proportional to 126,759.75 and 275,416.50 is: 598,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,759.75 : 275,416.50 = 275,416.50 : x
  2. Step 2: Convert to fraction form
    126,759.75/275,416.50 = 275,416.50/x
  3. Step 3: Cross multiply
    126,759.75x = 275,416.50 × 275,416.50
  4. Step 4: Simplify right side
    126,759.75x = 75,854,248,472.25
  5. Step 5: Solve for x
    x = 75,854,248,472.25/126,759.75
  6. Step 6: Final answer
    x = 598,409.58

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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.