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Finding the Third Proportional to 1,331.44 and 2,862.84

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Solution

The third proportional to 1,331.44 and 2,862.84 is: 6,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.44 : 2,862.84 = 2,862.84 : x
  2. Step 2: Convert to fraction form
    1,331.44/2,862.84 = 2,862.84/x
  3. Step 3: Cross multiply
    1,331.44x = 2,862.84 × 2,862.84
  4. Step 4: Simplify right side
    1,331.44x = 8,195,874.34
  5. Step 5: Solve for x
    x = 8,195,874.34/1,331.44
  6. Step 6: Final answer
    x = 6,155.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.