Finding the Third Proportional to 135,424.13 and 288,343.69
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Solution
The third proportional to 135,424.13 and 288,343.69 is: 613,938.48
Step by Step Solution
- Step 1: Write the proportion equation
135,424.13 : 288,343.69 = 288,343.69 : x - Step 2: Convert to fraction form
135,424.13/288,343.69 = 288,343.69/x - Step 3: Cross multiply
135,424.13x = 288,343.69 × 288,343.69 - Step 4: Simplify right side
135,424.13x = 83,142,082,121.10 - Step 5: Solve for x
x = 83,142,082,121.10/135,424.13 - Step 6: Final answer
x = 613,938.48
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.