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Finding the Third Proportional to 201,176 and 418,876

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Solution

The third proportional to 201,176 and 418,876 is: 872,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,176 : 418,876 = 418,876 : x
  2. Step 2: Convert to fraction form
    201,176/418,876 = 418,876/x
  3. Step 3: Cross multiply
    201,176x = 418,876 × 418,876
  4. Step 4: Simplify right side
    201,176x = 175,457,103,376
  5. Step 5: Solve for x
    x = 175,457,103,376/201,176
  6. Step 6: Final answer
    x = 872,157.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.