Finding the Third Proportional to 278,249.56 and 415,736.44
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Solution
The third proportional to 278,249.56 and 415,736.44 is: 621,157.44
Step by Step Solution
- Step 1: Write the proportion equation
278,249.56 : 415,736.44 = 415,736.44 : x - Step 2: Convert to fraction form
278,249.56/415,736.44 = 415,736.44/x - Step 3: Cross multiply
278,249.56x = 415,736.44 × 415,736.44 - Step 4: Simplify right side
278,249.56x = 172,836,785,465.19 - Step 5: Solve for x
x = 172,836,785,465.19/278,249.56 - Step 6: Final answer
x = 621,157.44
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.