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Finding the Third Proportional to 872,211.94 and 1,847,990.25

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Solution

The third proportional to 872,211.94 and 1,847,990.25 is: 3,915,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,211.94 : 1,847,990.25 = 1,847,990.25 : x
  2. Step 2: Convert to fraction form
    872,211.94/1,847,990.25 = 1,847,990.25/x
  3. Step 3: Cross multiply
    872,211.94x = 1,847,990.25 × 1,847,990.25
  4. Step 4: Simplify right side
    872,211.94x = 3,415,067,964,095.06
  5. Step 5: Solve for x
    x = 3,415,067,964,095.06/872,211.94
  6. Step 6: Final answer
    x = 3,915,410.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.