Finding the Third Proportional to 129,510,069.75 and 199,267,251.75
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Solution
The third proportional to 129,510,069.75 and 199,267,251.75 is: 306,597,299.32
Step by Step Solution
- Step 1: Write the proportion equation
129,510,069.75 : 199,267,251.75 = 199,267,251.75 : x - Step 2: Convert to fraction form
129,510,069.75/199,267,251.75 = 199,267,251.75/x - Step 3: Cross multiply
129,510,069.75x = 199,267,251.75 × 199,267,251.75 - Step 4: Simplify right side
129,510,069.75x = 39,707,437,619,997,880 - Step 5: Solve for x
x = 39,707,437,619,997,880/129,510,069.75 - Step 6: Final answer
x = 306,597,299.32
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.