Finding the Third Proportional to 308,930.84 and 669,242.88
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Solution
The third proportional to 308,930.84 and 669,242.88 is: 1,449,793.88
Step by Step Solution
- Step 1: Write the proportion equation
308,930.84 : 669,242.88 = 669,242.88 : x - Step 2: Convert to fraction form
308,930.84/669,242.88 = 669,242.88/x - Step 3: Cross multiply
308,930.84x = 669,242.88 × 669,242.88 - Step 4: Simplify right side
308,930.84x = 447,886,036,195.19 - Step 5: Solve for x
x = 447,886,036,195.19/308,930.84 - Step 6: Final answer
x = 1,449,793.88
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.