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Finding the Third Proportional to 9,136 and 16,868

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Solution

The third proportional to 9,136 and 16,868 is: 31,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136 : 16,868 = 16,868 : x
  2. Step 2: Convert to fraction form
    9,136/16,868 = 16,868/x
  3. Step 3: Cross multiply
    9,136x = 16,868 × 16,868
  4. Step 4: Simplify right side
    9,136x = 284,529,424
  5. Step 5: Solve for x
    x = 284,529,424/9,136
  6. Step 6: Final answer
    x = 31,143.76

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.