Finding the Third Proportional to 5,424.13 and 8,136.19
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Solution
The third proportional to 5,424.13 and 8,136.19 is: 12,204.28
Step by Step Solution
- Step 1: Write the proportion equation
5,424.13 : 8,136.19 = 8,136.19 : x - Step 2: Convert to fraction form
5,424.13/8,136.19 = 8,136.19/x - Step 3: Cross multiply
5,424.13x = 8,136.19 × 8,136.19 - Step 4: Simplify right side
5,424.13x = 66,197,547.04 - Step 5: Solve for x
x = 66,197,547.04/5,424.13 - Step 6: Final answer
x = 12,204.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.