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Finding the Third Proportional to 869,868 and 1,874,450

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Solution

The third proportional to 869,868 and 1,874,450 is: 4,039,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,868 : 1,874,450 = 1,874,450 : x
  2. Step 2: Convert to fraction form
    869,868/1,874,450 = 1,874,450/x
  3. Step 3: Cross multiply
    869,868x = 1,874,450 × 1,874,450
  4. Step 4: Simplify right side
    869,868x = 3,513,562,802,500
  5. Step 5: Solve for x
    x = 3,513,562,802,500/869,868
  6. Step 6: Final answer
    x = 4,039,190.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.