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Finding the Third Proportional to 641,384.75 and 1,394,406

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Solution

The third proportional to 641,384.75 and 1,394,406 is: 3,031,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,384.75 : 1,394,406 = 1,394,406 : x
  2. Step 2: Convert to fraction form
    641,384.75/1,394,406 = 1,394,406/x
  3. Step 3: Cross multiply
    641,384.75x = 1,394,406 × 1,394,406
  4. Step 4: Simplify right side
    641,384.75x = 1,944,368,092,836
  5. Step 5: Solve for x
    x = 1,944,368,092,836/641,384.75
  6. Step 6: Final answer
    x = 3,031,515.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.