Finding the Third Proportional to 311,136 and 682,536
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Solution
The third proportional to 311,136 and 682,536 is: 1,497,272.55
Step by Step Solution
- Step 1: Write the proportion equation
311,136 : 682,536 = 682,536 : x - Step 2: Convert to fraction form
311,136/682,536 = 682,536/x - Step 3: Cross multiply
311,136x = 682,536 × 682,536 - Step 4: Simplify right side
311,136x = 465,855,391,296 - Step 5: Solve for x
x = 465,855,391,296/311,136 - Step 6: Final answer
x = 1,497,272.55
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.