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Finding the Third Proportional to 373,990 and 810,672

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Solution

The third proportional to 373,990 and 810,672 is: 1,757,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,990 : 810,672 = 810,672 : x
  2. Step 2: Convert to fraction form
    373,990/810,672 = 810,672/x
  3. Step 3: Cross multiply
    373,990x = 810,672 × 810,672
  4. Step 4: Simplify right side
    373,990x = 657,189,091,584
  5. Step 5: Solve for x
    x = 657,189,091,584/373,990
  6. Step 6: Final answer
    x = 1,757,237.07

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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.