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Finding the Third Proportional to 1,996,022 and 4,319,788

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Solution

The third proportional to 1,996,022 and 4,319,788 is: 9,348,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,022 : 4,319,788 = 4,319,788 : x
  2. Step 2: Convert to fraction form
    1,996,022/4,319,788 = 4,319,788/x
  3. Step 3: Cross multiply
    1,996,022x = 4,319,788 × 4,319,788
  4. Step 4: Simplify right side
    1,996,022x = 18,660,568,364,944
  5. Step 5: Solve for x
    x = 18,660,568,364,944/1,996,022
  6. Step 6: Final answer
    x = 9,348,879.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.