Finding the Third Proportional to 258,162.75 and 394,638.75
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Solution
The third proportional to 258,162.75 and 394,638.75 is: 603,261.87
Step by Step Solution
- Step 1: Write the proportion equation
258,162.75 : 394,638.75 = 394,638.75 : x - Step 2: Convert to fraction form
258,162.75/394,638.75 = 394,638.75/x - Step 3: Cross multiply
258,162.75x = 394,638.75 × 394,638.75 - Step 4: Simplify right side
258,162.75x = 155,739,743,001.56 - Step 5: Solve for x
x = 155,739,743,001.56/258,162.75 - Step 6: Final answer
x = 603,261.87
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.