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Finding the Third Proportional to 370,906 and 667,999

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Solution

The third proportional to 370,906 and 667,999 is: 1,203,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,906 : 667,999 = 667,999 : x
  2. Step 2: Convert to fraction form
    370,906/667,999 = 667,999/x
  3. Step 3: Cross multiply
    370,906x = 667,999 × 667,999
  4. Step 4: Simplify right side
    370,906x = 446,222,664,001
  5. Step 5: Solve for x
    x = 446,222,664,001/370,906
  6. Step 6: Final answer
    x = 1,203,061.33

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.