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Finding the Third Proportional to 90,277 and 195,621

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Solution

The third proportional to 90,277 and 195,621 is: 423,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277 : 195,621 = 195,621 : x
  2. Step 2: Convert to fraction form
    90,277/195,621 = 195,621/x
  3. Step 3: Cross multiply
    90,277x = 195,621 × 195,621
  4. Step 4: Simplify right side
    90,277x = 38,267,575,641
  5. Step 5: Solve for x
    x = 38,267,575,641/90,277
  6. Step 6: Final answer
    x = 423,890.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.