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Finding the Third Proportional to 8,816 and 12,932

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Solution

The third proportional to 8,816 and 12,932 is: 18,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816 : 12,932 = 12,932 : x
  2. Step 2: Convert to fraction form
    8,816/12,932 = 12,932/x
  3. Step 3: Cross multiply
    8,816x = 12,932 × 12,932
  4. Step 4: Simplify right side
    8,816x = 167,236,624
  5. Step 5: Solve for x
    x = 167,236,624/8,816
  6. Step 6: Final answer
    x = 18,969.67

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.