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Finding the Third Proportional to 2,149.03 and 2,899.55

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Solution

The third proportional to 2,149.03 and 2,899.55 is: 3,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.03 : 2,899.55 = 2,899.55 : x
  2. Step 2: Convert to fraction form
    2,149.03/2,899.55 = 2,899.55/x
  3. Step 3: Cross multiply
    2,149.03x = 2,899.55 × 2,899.55
  4. Step 4: Simplify right side
    2,149.03x = 8,407,372.08
  5. Step 5: Solve for x
    x = 8,407,372.08/2,149.03
  6. Step 6: Final answer
    x = 3,912.17

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.