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Finding the Third Proportional to 1,990,539 and 3,002,298.75

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Solution

The third proportional to 1,990,539 and 3,002,298.75 is: 4,528,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,539 : 3,002,298.75 = 3,002,298.75 : x
  2. Step 2: Convert to fraction form
    1,990,539/3,002,298.75 = 3,002,298.75/x
  3. Step 3: Cross multiply
    1,990,539x = 3,002,298.75 × 3,002,298.75
  4. Step 4: Simplify right side
    1,990,539x = 9,013,797,784,251.56
  5. Step 5: Solve for x
    x = 9,013,797,784,251.56/1,990,539
  6. Step 6: Final answer
    x = 4,528,320.11

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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.