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Finding the Third Proportional to 1,990,818 and 3,002,538.38

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Solution

The third proportional to 1,990,818 and 3,002,538.38 is: 4,528,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,818 : 3,002,538.38 = 3,002,538.38 : x
  2. Step 2: Convert to fraction form
    1,990,818/3,002,538.38 = 3,002,538.38/x
  3. Step 3: Cross multiply
    1,990,818x = 3,002,538.38 × 3,002,538.38
  4. Step 4: Simplify right side
    1,990,818x = 9,015,236,693,347.64
  5. Step 5: Solve for x
    x = 9,015,236,693,347.64/1,990,818
  6. Step 6: Final answer
    x = 4,528,408.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.