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Finding the Third Proportional to 18,298 and 22,276

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Solution

The third proportional to 18,298 and 22,276 is: 27,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298 : 22,276 = 22,276 : x
  2. Step 2: Convert to fraction form
    18,298/22,276 = 22,276/x
  3. Step 3: Cross multiply
    18,298x = 22,276 × 22,276
  4. Step 4: Simplify right side
    18,298x = 496,220,176
  5. Step 5: Solve for x
    x = 496,220,176/18,298
  6. Step 6: Final answer
    x = 27,118.82

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.