Finding the Third Proportional to 81,627.75 and 126,135.75
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Solution
The third proportional to 81,627.75 and 126,135.75 is: 194,911.99
Step by Step Solution
- Step 1: Write the proportion equation
81,627.75 : 126,135.75 = 126,135.75 : x - Step 2: Convert to fraction form
81,627.75/126,135.75 = 126,135.75/x - Step 3: Cross multiply
81,627.75x = 126,135.75 × 126,135.75 - Step 4: Simplify right side
81,627.75x = 15,910,227,428.06 - Step 5: Solve for x
x = 15,910,227,428.06/81,627.75 - Step 6: Final answer
x = 194,911.99
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.