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Finding the Third Proportional to 9,992 and 20,368

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Solution

The third proportional to 9,992 and 20,368 is: 41,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992 : 20,368 = 20,368 : x
  2. Step 2: Convert to fraction form
    9,992/20,368 = 20,368/x
  3. Step 3: Cross multiply
    9,992x = 20,368 × 20,368
  4. Step 4: Simplify right side
    9,992x = 414,855,424
  5. Step 5: Solve for x
    x = 414,855,424/9,992
  6. Step 6: Final answer
    x = 41,518.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.