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Finding the Third Proportional to 18,482 and 20,210

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Solution

The third proportional to 18,482 and 20,210 is: 22,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482 : 20,210 = 20,210 : x
  2. Step 2: Convert to fraction form
    18,482/20,210 = 20,210/x
  3. Step 3: Cross multiply
    18,482x = 20,210 × 20,210
  4. Step 4: Simplify right side
    18,482x = 408,444,100
  5. Step 5: Solve for x
    x = 408,444,100/18,482
  6. Step 6: Final answer
    x = 22,099.56

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.