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Finding the Third Proportional to 373,940 and 580,112

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Solution

The third proportional to 373,940 and 580,112 is: 899,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,940 : 580,112 = 580,112 : x
  2. Step 2: Convert to fraction form
    373,940/580,112 = 580,112/x
  3. Step 3: Cross multiply
    373,940x = 580,112 × 580,112
  4. Step 4: Simplify right side
    373,940x = 336,529,932,544
  5. Step 5: Solve for x
    x = 336,529,932,544/373,940
  6. Step 6: Final answer
    x = 899,957.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.