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Finding the Third Proportional to 392,074.50 and 599,380.13

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Solution

The third proportional to 392,074.50 and 599,380.13 is: 916,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,074.50 : 599,380.13 = 599,380.13 : x
  2. Step 2: Convert to fraction form
    392,074.50/599,380.13 = 599,380.13/x
  3. Step 3: Cross multiply
    392,074.50x = 599,380.13 × 599,380.13
  4. Step 4: Simplify right side
    392,074.50x = 359,256,534,245.02
  5. Step 5: Solve for x
    x = 359,256,534,245.02/392,074.50
  6. Step 6: Final answer
    x = 916,296.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.