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Finding the Third Proportional to 80,438.06 and 174,885.75

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Solution

The third proportional to 80,438.06 and 174,885.75 is: 380,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,438.06 : 174,885.75 = 174,885.75 : x
  2. Step 2: Convert to fraction form
    80,438.06/174,885.75 = 174,885.75/x
  3. Step 3: Cross multiply
    80,438.06x = 174,885.75 × 174,885.75
  4. Step 4: Simplify right side
    80,438.06x = 30,585,025,553.06
  5. Step 5: Solve for x
    x = 30,585,025,553.06/80,438.06
  6. Step 6: Final answer
    x = 380,230.76

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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.