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Finding the Third Proportional to 8,315 and 18,193

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Solution

The third proportional to 8,315 and 18,193 is: 39,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315 : 18,193 = 18,193 : x
  2. Step 2: Convert to fraction form
    8,315/18,193 = 18,193/x
  3. Step 3: Cross multiply
    8,315x = 18,193 × 18,193
  4. Step 4: Simplify right side
    8,315x = 330,985,249
  5. Step 5: Solve for x
    x = 330,985,249/8,315
  6. Step 6: Final answer
    x = 39,805.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.