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Finding the Third Proportional to 1,331,019 and 2,913,873.75

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Solution

The third proportional to 1,331,019 and 2,913,873.75 is: 6,379,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,019 : 2,913,873.75 = 2,913,873.75 : x
  2. Step 2: Convert to fraction form
    1,331,019/2,913,873.75 = 2,913,873.75/x
  3. Step 3: Cross multiply
    1,331,019x = 2,913,873.75 × 2,913,873.75
  4. Step 4: Simplify right side
    1,331,019x = 8,490,660,230,939.06
  5. Step 5: Solve for x
    x = 8,490,660,230,939.06/1,331,019
  6. Step 6: Final answer
    x = 6,379,067.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.