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Finding the Third Proportional to 1,900,745 and 3,936,220

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Solution

The third proportional to 1,900,745 and 3,936,220 is: 8,151,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,745 : 3,936,220 = 3,936,220 : x
  2. Step 2: Convert to fraction form
    1,900,745/3,936,220 = 3,936,220/x
  3. Step 3: Cross multiply
    1,900,745x = 3,936,220 × 3,936,220
  4. Step 4: Simplify right side
    1,900,745x = 15,493,827,888,400
  5. Step 5: Solve for x
    x = 15,493,827,888,400/1,900,745
  6. Step 6: Final answer
    x = 8,151,450.03

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.