Finding the Third Proportional to 255,575.25 and 395,687.53
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Solution
The third proportional to 255,575.25 and 395,687.53 is: 612,612.62
Step by Step Solution
- Step 1: Write the proportion equation
255,575.25 : 395,687.53 = 395,687.53 : x - Step 2: Convert to fraction form
255,575.25/395,687.53 = 395,687.53/x - Step 3: Cross multiply
255,575.25x = 395,687.53 × 395,687.53 - Step 4: Simplify right side
255,575.25x = 156,568,622,386.72 - Step 5: Solve for x
x = 156,568,622,386.72/255,575.25 - Step 6: Final answer
x = 612,612.62
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.