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Finding the Third Proportional to 339,802 and 731,676

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Solution

The third proportional to 339,802 and 731,676 is: 1,575,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,802 : 731,676 = 731,676 : x
  2. Step 2: Convert to fraction form
    339,802/731,676 = 731,676/x
  3. Step 3: Cross multiply
    339,802x = 731,676 × 731,676
  4. Step 4: Simplify right side
    339,802x = 535,349,768,976
  5. Step 5: Solve for x
    x = 535,349,768,976/339,802
  6. Step 6: Final answer
    x = 1,575,475.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.