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Finding the Third Proportional to 382,014 and 809,556

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Solution

The third proportional to 382,014 and 809,556 is: 1,715,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,014 : 809,556 = 809,556 : x
  2. Step 2: Convert to fraction form
    382,014/809,556 = 809,556/x
  3. Step 3: Cross multiply
    382,014x = 809,556 × 809,556
  4. Step 4: Simplify right side
    382,014x = 655,380,917,136
  5. Step 5: Solve for x
    x = 655,380,917,136/382,014
  6. Step 6: Final answer
    x = 1,715,593.98

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.