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Finding the Third Proportional to 904,336.60 and 1,990,837.06

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Solution

The third proportional to 904,336.60 and 1,990,837.06 is: 4,382,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,336.60 : 1,990,837.06 = 1,990,837.06 : x
  2. Step 2: Convert to fraction form
    904,336.60/1,990,837.06 = 1,990,837.06/x
  3. Step 3: Cross multiply
    904,336.60x = 1,990,837.06 × 1,990,837.06
  4. Step 4: Simplify right side
    904,336.60x = 3,963,432,213,311.73
  5. Step 5: Solve for x
    x = 3,963,432,213,311.73/904,336.60
  6. Step 6: Final answer
    x = 4,382,695.78

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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.