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Finding the Third Proportional to 919,836 and 2,001,672

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Solution

The third proportional to 919,836 and 2,001,672 is: 4,355,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,836 : 2,001,672 = 2,001,672 : x
  2. Step 2: Convert to fraction form
    919,836/2,001,672 = 2,001,672/x
  3. Step 3: Cross multiply
    919,836x = 2,001,672 × 2,001,672
  4. Step 4: Simplify right side
    919,836x = 4,006,690,795,584
  5. Step 5: Solve for x
    x = 4,006,690,795,584/919,836
  6. Step 6: Final answer
    x = 4,355,875.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.