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Finding the Third Proportional to 8,424 and 14,039

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Solution

The third proportional to 8,424 and 14,039 is: 23,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424 : 14,039 = 14,039 : x
  2. Step 2: Convert to fraction form
    8,424/14,039 = 14,039/x
  3. Step 3: Cross multiply
    8,424x = 14,039 × 14,039
  4. Step 4: Simplify right side
    8,424x = 197,093,521
  5. Step 5: Solve for x
    x = 197,093,521/8,424
  6. Step 6: Final answer
    x = 23,396.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.