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Finding the Third Proportional to 918,570.94 and 1,994,879.25

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Solution

The third proportional to 918,570.94 and 1,994,879.25 is: 4,332,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,570.94 : 1,994,879.25 = 1,994,879.25 : x
  2. Step 2: Convert to fraction form
    918,570.94/1,994,879.25 = 1,994,879.25/x
  3. Step 3: Cross multiply
    918,570.94x = 1,994,879.25 × 1,994,879.25
  4. Step 4: Simplify right side
    918,570.94x = 3,979,543,222,080.56
  5. Step 5: Solve for x
    x = 3,979,543,222,080.56/918,570.94
  6. Step 6: Final answer
    x = 4,332,319.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.