Finding the Third Proportional to 177,331.88 and 389,115.75
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Solution
The third proportional to 177,331.88 and 389,115.75 is: 853,828.83
Step by Step Solution
- Step 1: Write the proportion equation
177,331.88 : 389,115.75 = 389,115.75 : x - Step 2: Convert to fraction form
177,331.88/389,115.75 = 389,115.75/x - Step 3: Cross multiply
177,331.88x = 389,115.75 × 389,115.75 - Step 4: Simplify right side
177,331.88x = 151,411,066,898.06 - Step 5: Solve for x
x = 151,411,066,898.06/177,331.88 - Step 6: Final answer
x = 853,828.83
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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.