Finding the Third Proportional to 39,305.25 and 54,249.75
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Solution
The third proportional to 39,305.25 and 54,249.75 is: 74,876.39
Step by Step Solution
- Step 1: Write the proportion equation
39,305.25 : 54,249.75 = 54,249.75 : x - Step 2: Convert to fraction form
39,305.25/54,249.75 = 54,249.75/x - Step 3: Cross multiply
39,305.25x = 54,249.75 × 54,249.75 - Step 4: Simplify right side
39,305.25x = 2,943,035,375.06 - Step 5: Solve for x
x = 2,943,035,375.06/39,305.25 - Step 6: Final answer
x = 74,876.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.