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Finding the Third Proportional to 619,287.19 and 1,255,211.44

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Solution

The third proportional to 619,287.19 and 1,255,211.44 is: 2,544,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,287.19 : 1,255,211.44 = 1,255,211.44 : x
  2. Step 2: Convert to fraction form
    619,287.19/1,255,211.44 = 1,255,211.44/x
  3. Step 3: Cross multiply
    619,287.19x = 1,255,211.44 × 1,255,211.44
  4. Step 4: Simplify right side
    619,287.19x = 1,575,555,752,830.82
  5. Step 5: Solve for x
    x = 1,575,555,752,830.82/619,287.19
  6. Step 6: Final answer
    x = 2,544,143.95

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.