Finding the Third Proportional to 129,876.75 and 195,193.13
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Solution
The third proportional to 129,876.75 and 195,193.13 is: 293,357.79
Step by Step Solution
- Step 1: Write the proportion equation
129,876.75 : 195,193.13 = 195,193.13 : x - Step 2: Convert to fraction form
129,876.75/195,193.13 = 195,193.13/x - Step 3: Cross multiply
129,876.75x = 195,193.13 × 195,193.13 - Step 4: Simplify right side
129,876.75x = 38,100,356,047.27 - Step 5: Solve for x
x = 38,100,356,047.27/129,876.75 - Step 6: Final answer
x = 293,357.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.