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Finding the Third Proportional to 8,426 and 11,804

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Solution

The third proportional to 8,426 and 11,804 is: 16,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426 : 11,804 = 11,804 : x
  2. Step 2: Convert to fraction form
    8,426/11,804 = 11,804/x
  3. Step 3: Cross multiply
    8,426x = 11,804 × 11,804
  4. Step 4: Simplify right side
    8,426x = 139,334,416
  5. Step 5: Solve for x
    x = 139,334,416/8,426
  6. Step 6: Final answer
    x = 16,536.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.