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Finding the Third Proportional to 839,744 and 1,808,512

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Solution

The third proportional to 839,744 and 1,808,512 is: 3,894,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,744 : 1,808,512 = 1,808,512 : x
  2. Step 2: Convert to fraction form
    839,744/1,808,512 = 1,808,512/x
  3. Step 3: Cross multiply
    839,744x = 1,808,512 × 1,808,512
  4. Step 4: Simplify right side
    839,744x = 3,270,715,654,144
  5. Step 5: Solve for x
    x = 3,270,715,654,144/839,744
  6. Step 6: Final answer
    x = 3,894,896.13

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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.