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Finding the Third Proportional to 299,371.25 and 648,571

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Solution

The third proportional to 299,371.25 and 648,571 is: 1,405,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,371.25 : 648,571 = 648,571 : x
  2. Step 2: Convert to fraction form
    299,371.25/648,571 = 648,571/x
  3. Step 3: Cross multiply
    299,371.25x = 648,571 × 648,571
  4. Step 4: Simplify right side
    299,371.25x = 420,644,342,041
  5. Step 5: Solve for x
    x = 420,644,342,041/299,371.25
  6. Step 6: Final answer
    x = 1,405,092.65

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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.