Finding the Third Proportional to 129,436.75 and 196,159.88
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Solution
The third proportional to 129,436.75 and 196,159.88 is: 297,277.99
Step by Step Solution
- Step 1: Write the proportion equation
129,436.75 : 196,159.88 = 196,159.88 : x - Step 2: Convert to fraction form
129,436.75/196,159.88 = 196,159.88/x - Step 3: Cross multiply
129,436.75x = 196,159.88 × 196,159.88 - Step 4: Simplify right side
129,436.75x = 38,478,696,560.02 - Step 5: Solve for x
x = 38,478,696,560.02/129,436.75 - Step 6: Final answer
x = 297,277.99
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.