Finding the Third Proportional to 258,855.75 and 397,327.78
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Solution
The third proportional to 258,855.75 and 397,327.78 is: 609,873.90
Step by Step Solution
- Step 1: Write the proportion equation
258,855.75 : 397,327.78 = 397,327.78 : x - Step 2: Convert to fraction form
258,855.75/397,327.78 = 397,327.78/x - Step 3: Cross multiply
258,855.75x = 397,327.78 × 397,327.78 - Step 4: Simplify right side
258,855.75x = 157,869,365,753.05 - Step 5: Solve for x
x = 157,869,365,753.05/258,855.75 - Step 6: Final answer
x = 609,873.90
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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.