Finding the Third Proportional to 138,615.75 and 299,364.75
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Solution
The third proportional to 138,615.75 and 299,364.75 is: 646,530.09
Step by Step Solution
- Step 1: Write the proportion equation
138,615.75 : 299,364.75 = 299,364.75 : x - Step 2: Convert to fraction form
138,615.75/299,364.75 = 299,364.75/x - Step 3: Cross multiply
138,615.75x = 299,364.75 × 299,364.75 - Step 4: Simplify right side
138,615.75x = 89,619,253,542.56 - Step 5: Solve for x
x = 89,619,253,542.56/138,615.75 - Step 6: Final answer
x = 646,530.09
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.