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Finding the Third Proportional to 8,940 and 11,763

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Solution

The third proportional to 8,940 and 11,763 is: 15,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940 : 11,763 = 11,763 : x
  2. Step 2: Convert to fraction form
    8,940/11,763 = 11,763/x
  3. Step 3: Cross multiply
    8,940x = 11,763 × 11,763
  4. Step 4: Simplify right side
    8,940x = 138,368,169
  5. Step 5: Solve for x
    x = 138,368,169/8,940
  6. Step 6: Final answer
    x = 15,477.42

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.