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Finding the Third Proportional to 126,401.75 and 270,299.50

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Solution

The third proportional to 126,401.75 and 270,299.50 is: 578,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401.75 : 270,299.50 = 270,299.50 : x
  2. Step 2: Convert to fraction form
    126,401.75/270,299.50 = 270,299.50/x
  3. Step 3: Cross multiply
    126,401.75x = 270,299.50 × 270,299.50
  4. Step 4: Simplify right side
    126,401.75x = 73,061,819,700.25
  5. Step 5: Solve for x
    x = 73,061,819,700.25/126,401.75
  6. Step 6: Final answer
    x = 578,012.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.