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Finding the Third Proportional to 850,291 and 1,866,449

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Solution

The third proportional to 850,291 and 1,866,449 is: 4,096,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,291 : 1,866,449 = 1,866,449 : x
  2. Step 2: Convert to fraction form
    850,291/1,866,449 = 1,866,449/x
  3. Step 3: Cross multiply
    850,291x = 1,866,449 × 1,866,449
  4. Step 4: Simplify right side
    850,291x = 3,483,631,869,601
  5. Step 5: Solve for x
    x = 3,483,631,869,601/850,291
  6. Step 6: Final answer
    x = 4,096,987.82

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.