Finding the Third Proportional to 136,239.23 and 212,636.75
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Solution
The third proportional to 136,239.23 and 212,636.75 is: 331,874.93
Step by Step Solution
- Step 1: Write the proportion equation
136,239.23 : 212,636.75 = 212,636.75 : x - Step 2: Convert to fraction form
136,239.23/212,636.75 = 212,636.75/x - Step 3: Cross multiply
136,239.23x = 212,636.75 × 212,636.75 - Step 4: Simplify right side
136,239.23x = 45,214,385,996.99 - Step 5: Solve for x
x = 45,214,385,996.99/136,239.23 - Step 6: Final answer
x = 331,874.93
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.