Finding the Third Proportional to 321,861.75 and 486,933.75
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Solution
The third proportional to 321,861.75 and 486,933.75 is: 736,665.59
Step by Step Solution
- Step 1: Write the proportion equation
321,861.75 : 486,933.75 = 486,933.75 : x - Step 2: Convert to fraction form
321,861.75/486,933.75 = 486,933.75/x - Step 3: Cross multiply
321,861.75x = 486,933.75 × 486,933.75 - Step 4: Simplify right side
321,861.75x = 237,104,476,889.06 - Step 5: Solve for x
x = 237,104,476,889.06/321,861.75 - Step 6: Final answer
x = 736,665.59
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.