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Finding the Third Proportional to 1,863.38 and 2,896.88

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Solution

The third proportional to 1,863.38 and 2,896.88 is: 4,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.38 : 2,896.88 = 2,896.88 : x
  2. Step 2: Convert to fraction form
    1,863.38/2,896.88 = 2,896.88/x
  3. Step 3: Cross multiply
    1,863.38x = 2,896.88 × 2,896.88
  4. Step 4: Simplify right side
    1,863.38x = 8,391,884.77
  5. Step 5: Solve for x
    x = 8,391,884.77/1,863.38
  6. Step 6: Final answer
    x = 4,503.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.