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Finding the Third Proportional to 919,864 and 2,010,728

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Solution

The third proportional to 919,864 and 2,010,728 is: 4,395,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,864 : 2,010,728 = 2,010,728 : x
  2. Step 2: Convert to fraction form
    919,864/2,010,728 = 2,010,728/x
  3. Step 3: Cross multiply
    919,864x = 2,010,728 × 2,010,728
  4. Step 4: Simplify right side
    919,864x = 4,043,027,089,984
  5. Step 5: Solve for x
    x = 4,043,027,089,984/919,864
  6. Step 6: Final answer
    x = 4,395,244.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.