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Finding the Third Proportional to 2,790.38 and 4,197.19

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Solution

The third proportional to 2,790.38 and 4,197.19 is: 6,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.38 : 4,197.19 = 4,197.19 : x
  2. Step 2: Convert to fraction form
    2,790.38/4,197.19 = 4,197.19/x
  3. Step 3: Cross multiply
    2,790.38x = 4,197.19 × 4,197.19
  4. Step 4: Simplify right side
    2,790.38x = 17,616,382.91
  5. Step 5: Solve for x
    x = 17,616,382.91/2,790.38
  6. Step 6: Final answer
    x = 6,313.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.