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Finding the Third Proportional to 126,321.75 and 276,403.50

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Solution

The third proportional to 126,321.75 and 276,403.50 is: 604,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,321.75 : 276,403.50 = 276,403.50 : x
  2. Step 2: Convert to fraction form
    126,321.75/276,403.50 = 276,403.50/x
  3. Step 3: Cross multiply
    126,321.75x = 276,403.50 × 276,403.50
  4. Step 4: Simplify right side
    126,321.75x = 76,398,894,812.25
  5. Step 5: Solve for x
    x = 76,398,894,812.25/126,321.75
  6. Step 6: Final answer
    x = 604,796.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.