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Finding the Third Proportional to 858,838 and 1,330,496

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Solution

The third proportional to 858,838 and 1,330,496 is: 2,061,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,838 : 1,330,496 = 1,330,496 : x
  2. Step 2: Convert to fraction form
    858,838/1,330,496 = 1,330,496/x
  3. Step 3: Cross multiply
    858,838x = 1,330,496 × 1,330,496
  4. Step 4: Simplify right side
    858,838x = 1,770,219,606,016
  5. Step 5: Solve for x
    x = 1,770,219,606,016/858,838
  6. Step 6: Final answer
    x = 2,061,179.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.