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Finding the Third Proportional to 1,903,928 and 4,004,200

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Solution

The third proportional to 1,903,928 and 4,004,200 is: 8,421,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,928 : 4,004,200 = 4,004,200 : x
  2. Step 2: Convert to fraction form
    1,903,928/4,004,200 = 4,004,200/x
  3. Step 3: Cross multiply
    1,903,928x = 4,004,200 × 4,004,200
  4. Step 4: Simplify right side
    1,903,928x = 16,033,617,640,000
  5. Step 5: Solve for x
    x = 16,033,617,640,000/1,903,928
  6. Step 6: Final answer
    x = 8,421,336.12

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.