Finding the Third Proportional to 399,788.16 and 863,591.63
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Solution
The third proportional to 399,788.16 and 863,591.63 is: 1,865,464.20
Step by Step Solution
- Step 1: Write the proportion equation
399,788.16 : 863,591.63 = 863,591.63 : x - Step 2: Convert to fraction form
399,788.16/863,591.63 = 863,591.63/x - Step 3: Cross multiply
399,788.16x = 863,591.63 × 863,591.63 - Step 4: Simplify right side
399,788.16x = 745,790,494,770.14 - Step 5: Solve for x
x = 745,790,494,770.14/399,788.16 - Step 6: Final answer
x = 1,865,464.20
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.