Finding the Third Proportional to 12,390.75 and 27,231.75
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Solution
The third proportional to 12,390.75 and 27,231.75 is: 59,848.53
Step by Step Solution
- Step 1: Write the proportion equation
12,390.75 : 27,231.75 = 27,231.75 : x - Step 2: Convert to fraction form
12,390.75/27,231.75 = 27,231.75/x - Step 3: Cross multiply
12,390.75x = 27,231.75 × 27,231.75 - Step 4: Simplify right side
12,390.75x = 741,568,208.06 - Step 5: Solve for x
x = 741,568,208.06/12,390.75 - Step 6: Final answer
x = 59,848.53
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.