Finding the Third Proportional to 129,872.25 and 195,189.75
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Solution
The third proportional to 129,872.25 and 195,189.75 is: 293,357.81
Step by Step Solution
- Step 1: Write the proportion equation
129,872.25 : 195,189.75 = 195,189.75 : x - Step 2: Convert to fraction form
129,872.25/195,189.75 = 195,189.75/x - Step 3: Cross multiply
129,872.25x = 195,189.75 × 195,189.75 - Step 4: Simplify right side
129,872.25x = 38,099,038,505.06 - Step 5: Solve for x
x = 38,099,038,505.06/129,872.25 - Step 6: Final answer
x = 293,357.81
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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.