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Finding the Third Proportional to 28,215 and 60,183

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Solution

The third proportional to 28,215 and 60,183 is: 128,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215 : 60,183 = 60,183 : x
  2. Step 2: Convert to fraction form
    28,215/60,183 = 60,183/x
  3. Step 3: Cross multiply
    28,215x = 60,183 × 60,183
  4. Step 4: Simplify right side
    28,215x = 3,621,993,489
  5. Step 5: Solve for x
    x = 3,621,993,489/28,215
  6. Step 6: Final answer
    x = 128,371.20

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.