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Finding the Third Proportional to 5,454.38 and 8,340.19

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Solution

The third proportional to 5,454.38 and 8,340.19 is: 12,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.38 : 8,340.19 = 8,340.19 : x
  2. Step 2: Convert to fraction form
    5,454.38/8,340.19 = 8,340.19/x
  3. Step 3: Cross multiply
    5,454.38x = 8,340.19 × 8,340.19
  4. Step 4: Simplify right side
    5,454.38x = 69,558,727.54
  5. Step 5: Solve for x
    x = 69,558,727.54/5,454.38
  6. Step 6: Final answer
    x = 12,752.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.