Finding the Third Proportional to 129,344.81 and 193,220.63
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Solution
The third proportional to 129,344.81 and 193,220.63 is: 288,640.95
Step by Step Solution
- Step 1: Write the proportion equation
129,344.81 : 193,220.63 = 193,220.63 : x - Step 2: Convert to fraction form
129,344.81/193,220.63 = 193,220.63/x - Step 3: Cross multiply
129,344.81x = 193,220.63 × 193,220.63 - Step 4: Simplify right side
129,344.81x = 37,334,209,925.39 - Step 5: Solve for x
x = 37,334,209,925.39/129,344.81 - Step 6: Final answer
x = 288,640.95
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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.