Finding the Third Proportional to 212,879.25 and 319,350.38
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Solution
The third proportional to 212,879.25 and 319,350.38 is: 479,072.82
Step by Step Solution
- Step 1: Write the proportion equation
212,879.25 : 319,350.38 = 319,350.38 : x - Step 2: Convert to fraction form
212,879.25/319,350.38 = 319,350.38/x - Step 3: Cross multiply
212,879.25x = 319,350.38 × 319,350.38 - Step 4: Simplify right side
212,879.25x = 101,984,662,012.64 - Step 5: Solve for x
x = 101,984,662,012.64/212,879.25 - Step 6: Final answer
x = 479,072.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.