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Finding the Third Proportional to 2,018.67 and 2,889.84

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Solution

The third proportional to 2,018.67 and 2,889.84 is: 4,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.67 : 2,889.84 = 2,889.84 : x
  2. Step 2: Convert to fraction form
    2,018.67/2,889.84 = 2,889.84/x
  3. Step 3: Cross multiply
    2,018.67x = 2,889.84 × 2,889.84
  4. Step 4: Simplify right side
    2,018.67x = 8,351,196.90
  5. Step 5: Solve for x
    x = 8,351,196.90/2,018.67
  6. Step 6: Final answer
    x = 4,136.98

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.