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Finding the Third Proportional to 8,322 and 18,276

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Solution

The third proportional to 8,322 and 18,276 is: 40,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322 : 18,276 = 18,276 : x
  2. Step 2: Convert to fraction form
    8,322/18,276 = 18,276/x
  3. Step 3: Cross multiply
    8,322x = 18,276 × 18,276
  4. Step 4: Simplify right side
    8,322x = 334,012,176
  5. Step 5: Solve for x
    x = 334,012,176/8,322
  6. Step 6: Final answer
    x = 40,136.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.