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Finding the Third Proportional to 1,285,249.78 and 2,822,688

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Solution

The third proportional to 1,285,249.78 and 2,822,688 is: 6,199,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,249.78 : 2,822,688 = 2,822,688 : x
  2. Step 2: Convert to fraction form
    1,285,249.78/2,822,688 = 2,822,688/x
  3. Step 3: Cross multiply
    1,285,249.78x = 2,822,688 × 2,822,688
  4. Step 4: Simplify right side
    1,285,249.78x = 7,967,567,545,344
  5. Step 5: Solve for x
    x = 7,967,567,545,344/1,285,249.78
  6. Step 6: Final answer
    x = 6,199,236.65

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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.