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Finding the Third Proportional to 361,138.50 and 483,144.75

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Solution

The third proportional to 361,138.50 and 483,144.75 is: 646,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,138.50 : 483,144.75 = 483,144.75 : x
  2. Step 2: Convert to fraction form
    361,138.50/483,144.75 = 483,144.75/x
  3. Step 3: Cross multiply
    361,138.50x = 483,144.75 × 483,144.75
  4. Step 4: Simplify right side
    361,138.50x = 233,428,849,452.56
  5. Step 5: Solve for x
    x = 233,428,849,452.56/361,138.50
  6. Step 6: Final answer
    x = 646,369.33

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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.