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Finding the Third Proportional to 1,003,659,880 and 2,089,800,128

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Solution

The third proportional to 1,003,659,880 and 2,089,800,128 is: 4,351,339,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,659,880 : 2,089,800,128 = 2,089,800,128 : x
  2. Step 2: Convert to fraction form
    1,003,659,880/2,089,800,128 = 2,089,800,128/x
  3. Step 3: Cross multiply
    1,003,659,880x = 2,089,800,128 × 2,089,800,128
  4. Step 4: Simplify right side
    1,003,659,880x = 4,367,264,574,988,816,384
  5. Step 5: Solve for x
    x = 4,367,264,574,988,816,384/1,003,659,880
  6. Step 6: Final answer
    x = 4,351,339,195.69

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.