Finding the Third Proportional to 5,685.19 and 8,115.19
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Solution
The third proportional to 5,685.19 and 8,115.19 is: 11,583.83
Step by Step Solution
- Step 1: Write the proportion equation
5,685.19 : 8,115.19 = 8,115.19 : x - Step 2: Convert to fraction form
5,685.19/8,115.19 = 8,115.19/x - Step 3: Cross multiply
5,685.19x = 8,115.19 × 8,115.19 - Step 4: Simplify right side
5,685.19x = 65,856,268.16 - Step 5: Solve for x
x = 65,856,268.16/5,685.19 - Step 6: Final answer
x = 11,583.83
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.