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Finding the Third Proportional to 276,331.50 and 443,292.75

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Solution

The third proportional to 276,331.50 and 443,292.75 is: 711,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,331.50 : 443,292.75 = 443,292.75 : x
  2. Step 2: Convert to fraction form
    276,331.50/443,292.75 = 443,292.75/x
  3. Step 3: Cross multiply
    276,331.50x = 443,292.75 × 443,292.75
  4. Step 4: Simplify right side
    276,331.50x = 196,508,462,202.56
  5. Step 5: Solve for x
    x = 196,508,462,202.56/276,331.50
  6. Step 6: Final answer
    x = 711,133.05

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.