Finding the Third Proportional to 138,601.13 and 302,261.63
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Solution
The third proportional to 138,601.13 and 302,261.63 is: 659,172.79
Step by Step Solution
- Step 1: Write the proportion equation
138,601.13 : 302,261.63 = 302,261.63 : x - Step 2: Convert to fraction form
138,601.13/302,261.63 = 302,261.63/x - Step 3: Cross multiply
138,601.13x = 302,261.63 × 302,261.63 - Step 4: Simplify right side
138,601.13x = 91,362,089,947.64 - Step 5: Solve for x
x = 91,362,089,947.64/138,601.13 - Step 6: Final answer
x = 659,172.79
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.