Finding the Third Proportional to 1,578 and 3,156
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Solution
The third proportional to 1,578 and 3,156 is: 6,312
Step by Step Solution
- Step 1: Write the proportion equation
1,578 : 3,156 = 3,156 : x - Step 2: Convert to fraction form
1,578/3,156 = 3,156/x - Step 3: Cross multiply
1,578x = 3,156 × 3,156 - Step 4: Simplify right side
1,578x = 9,960,336 - Step 5: Solve for x
x = 9,960,336/1,578 - Step 6: Final answer
x = 6,312
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.