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Finding the Third Proportional to 350,665 and 766,939

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Solution

The third proportional to 350,665 and 766,939 is: 1,677,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,665 : 766,939 = 766,939 : x
  2. Step 2: Convert to fraction form
    350,665/766,939 = 766,939/x
  3. Step 3: Cross multiply
    350,665x = 766,939 × 766,939
  4. Step 4: Simplify right side
    350,665x = 588,195,429,721
  5. Step 5: Solve for x
    x = 588,195,429,721/350,665
  6. Step 6: Final answer
    x = 1,677,371.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.