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Finding the Third Proportional to 7,424 and 8,018

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Solution

The third proportional to 7,424 and 8,018 is: 8,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424 : 8,018 = 8,018 : x
  2. Step 2: Convert to fraction form
    7,424/8,018 = 8,018/x
  3. Step 3: Cross multiply
    7,424x = 8,018 × 8,018
  4. Step 4: Simplify right side
    7,424x = 64,288,324
  5. Step 5: Solve for x
    x = 64,288,324/7,424
  6. Step 6: Final answer
    x = 8,659.53

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.