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Finding the Third Proportional to 367,915.50 and 494,430.75

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Solution

The third proportional to 367,915.50 and 494,430.75 is: 664,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,915.50 : 494,430.75 = 494,430.75 : x
  2. Step 2: Convert to fraction form
    367,915.50/494,430.75 = 494,430.75/x
  3. Step 3: Cross multiply
    367,915.50x = 494,430.75 × 494,430.75
  4. Step 4: Simplify right side
    367,915.50x = 244,461,766,545.56
  5. Step 5: Solve for x
    x = 244,461,766,545.56/367,915.50
  6. Step 6: Final answer
    x = 664,450.85

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.