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Finding the Third Proportional to 90,856 and 195,593

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Solution

The third proportional to 90,856 and 195,593 is: 421,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856 : 195,593 = 195,593 : x
  2. Step 2: Convert to fraction form
    90,856/195,593 = 195,593/x
  3. Step 3: Cross multiply
    90,856x = 195,593 × 195,593
  4. Step 4: Simplify right side
    90,856x = 38,256,621,649
  5. Step 5: Solve for x
    x = 38,256,621,649/90,856
  6. Step 6: Final answer
    x = 421,068.74

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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.