Finding the Third Proportional to 18,177.75 and 39,129.75
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Solution
The third proportional to 18,177.75 and 39,129.75 is: 84,231.40
Step by Step Solution
- Step 1: Write the proportion equation
18,177.75 : 39,129.75 = 39,129.75 : x - Step 2: Convert to fraction form
18,177.75/39,129.75 = 39,129.75/x - Step 3: Cross multiply
18,177.75x = 39,129.75 × 39,129.75 - Step 4: Simplify right side
18,177.75x = 1,531,137,335.06 - Step 5: Solve for x
x = 1,531,137,335.06/18,177.75 - Step 6: Final answer
x = 84,231.40
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.