Finding the Third Proportional to 136,400.25 and 318,621.75
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Solution
The third proportional to 136,400.25 and 318,621.75 is: 744,278.84
Step by Step Solution
- Step 1: Write the proportion equation
136,400.25 : 318,621.75 = 318,621.75 : x - Step 2: Convert to fraction form
136,400.25/318,621.75 = 318,621.75/x - Step 3: Cross multiply
136,400.25x = 318,621.75 × 318,621.75 - Step 4: Simplify right side
136,400.25x = 101,519,819,573.06 - Step 5: Solve for x
x = 101,519,819,573.06/136,400.25 - Step 6: Final answer
x = 744,278.84
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These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.