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Finding the Third Proportional to 7,931 and 11,804

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Solution

The third proportional to 7,931 and 11,804 is: 17,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931 : 11,804 = 11,804 : x
  2. Step 2: Convert to fraction form
    7,931/11,804 = 11,804/x
  3. Step 3: Cross multiply
    7,931x = 11,804 × 11,804
  4. Step 4: Simplify right side
    7,931x = 139,334,416
  5. Step 5: Solve for x
    x = 139,334,416/7,931
  6. Step 6: Final answer
    x = 17,568.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.