Finding the Third Proportional to 310,416 and 677,694
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Solution
The third proportional to 310,416 and 677,694 is: 1,479,527.98
Step by Step Solution
- Step 1: Write the proportion equation
310,416 : 677,694 = 677,694 : x - Step 2: Convert to fraction form
310,416/677,694 = 677,694/x - Step 3: Cross multiply
310,416x = 677,694 × 677,694 - Step 4: Simplify right side
310,416x = 459,269,157,636 - Step 5: Solve for x
x = 459,269,157,636/310,416 - Step 6: Final answer
x = 1,479,527.98
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.