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Finding the Third Proportional to 543,039 and 1,192,917

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Solution

The third proportional to 543,039 and 1,192,917 is: 2,620,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,039 : 1,192,917 = 1,192,917 : x
  2. Step 2: Convert to fraction form
    543,039/1,192,917 = 1,192,917/x
  3. Step 3: Cross multiply
    543,039x = 1,192,917 × 1,192,917
  4. Step 4: Simplify right side
    543,039x = 1,423,050,968,889
  5. Step 5: Solve for x
    x = 1,423,050,968,889/543,039
  6. Step 6: Final answer
    x = 2,620,531.80

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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.