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Finding the Third Proportional to 404,211 and 673,645

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Solution

The third proportional to 404,211 and 673,645 is: 1,122,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,211 : 673,645 = 673,645 : x
  2. Step 2: Convert to fraction form
    404,211/673,645 = 673,645/x
  3. Step 3: Cross multiply
    404,211x = 673,645 × 673,645
  4. Step 4: Simplify right side
    404,211x = 453,797,586,025
  5. Step 5: Solve for x
    x = 453,797,586,025/404,211
  6. Step 6: Final answer
    x = 1,122,675.00

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.