Finding the Third Proportional to 5,246.44 and 7,920.19
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Solution
The third proportional to 5,246.44 and 7,920.19 is: 11,956.56
Step by Step Solution
- Step 1: Write the proportion equation
5,246.44 : 7,920.19 = 7,920.19 : x - Step 2: Convert to fraction form
5,246.44/7,920.19 = 7,920.19/x - Step 3: Cross multiply
5,246.44x = 7,920.19 × 7,920.19 - Step 4: Simplify right side
5,246.44x = 62,729,370.04 - Step 5: Solve for x
x = 62,729,370.04/5,246.44 - Step 6: Final answer
x = 11,956.56
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.