Finding the Third Proportional to 177,329.25 and 389,149.31
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Solution
The third proportional to 177,329.25 and 389,149.31 is: 853,988.77
Step by Step Solution
- Step 1: Write the proportion equation
177,329.25 : 389,149.31 = 389,149.31 : x - Step 2: Convert to fraction form
177,329.25/389,149.31 = 389,149.31/x - Step 3: Cross multiply
177,329.25x = 389,149.31 × 389,149.31 - Step 4: Simplify right side
177,329.25x = 151,437,187,419.22 - Step 5: Solve for x
x = 151,437,187,419.22/177,329.25 - Step 6: Final answer
x = 853,988.77
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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.