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Finding the Third Proportional to 407,173 and 886,626

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Solution

The third proportional to 407,173 and 886,626 is: 1,930,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,173 : 886,626 = 886,626 : x
  2. Step 2: Convert to fraction form
    407,173/886,626 = 886,626/x
  3. Step 3: Cross multiply
    407,173x = 886,626 × 886,626
  4. Step 4: Simplify right side
    407,173x = 786,105,663,876
  5. Step 5: Solve for x
    x = 786,105,663,876/407,173
  6. Step 6: Final answer
    x = 1,930,642.91

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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.