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Finding the Third Proportional to 2,589,435 and 3,920,136.75

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Solution

The third proportional to 2,589,435 and 3,920,136.75 is: 5,934,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,435 : 3,920,136.75 = 3,920,136.75 : x
  2. Step 2: Convert to fraction form
    2,589,435/3,920,136.75 = 3,920,136.75/x
  3. Step 3: Cross multiply
    2,589,435x = 3,920,136.75 × 3,920,136.75
  4. Step 4: Simplify right side
    2,589,435x = 15,367,472,138,700.56
  5. Step 5: Solve for x
    x = 15,367,472,138,700.56/2,589,435
  6. Step 6: Final answer
    x = 5,934,681.56

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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.