Finding the Third Proportional to 318,369 and 693,600
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Solution
The third proportional to 318,369 and 693,600 is: 1,511,079.78
Step by Step Solution
- Step 1: Write the proportion equation
318,369 : 693,600 = 693,600 : x - Step 2: Convert to fraction form
318,369/693,600 = 693,600/x - Step 3: Cross multiply
318,369x = 693,600 × 693,600 - Step 4: Simplify right side
318,369x = 481,080,960,000 - Step 5: Solve for x
x = 481,080,960,000/318,369 - Step 6: Final answer
x = 1,511,079.78
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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.