Finding the Third Proportional to 129,344.75 and 193,220.75
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Solution
The third proportional to 129,344.75 and 193,220.75 is: 288,641.47
Step by Step Solution
- Step 1: Write the proportion equation
129,344.75 : 193,220.75 = 193,220.75 : x - Step 2: Convert to fraction form
129,344.75/193,220.75 = 193,220.75/x - Step 3: Cross multiply
129,344.75x = 193,220.75 × 193,220.75 - Step 4: Simplify right side
129,344.75x = 37,334,258,230.56 - Step 5: Solve for x
x = 37,334,258,230.56/129,344.75 - Step 6: Final answer
x = 288,641.47
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.