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Finding the Third Proportional to 1,324.81 and 2,877.44

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Solution

The third proportional to 1,324.81 and 2,877.44 is: 6,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.81 : 2,877.44 = 2,877.44 : x
  2. Step 2: Convert to fraction form
    1,324.81/2,877.44 = 2,877.44/x
  3. Step 3: Cross multiply
    1,324.81x = 2,877.44 × 2,877.44
  4. Step 4: Simplify right side
    1,324.81x = 8,279,646.57
  5. Step 5: Solve for x
    x = 8,279,646.57/1,324.81
  6. Step 6: Final answer
    x = 6,249.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.