Finding the Third Proportional to 15,940 and 36,970
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Solution
The third proportional to 15,940 and 36,970 is: 85,745.35
Step by Step Solution
- Step 1: Write the proportion equation
15,940 : 36,970 = 36,970 : x - Step 2: Convert to fraction form
15,940/36,970 = 36,970/x - Step 3: Cross multiply
15,940x = 36,970 × 36,970 - Step 4: Simplify right side
15,940x = 1,366,780,900 - Step 5: Solve for x
x = 1,366,780,900/15,940 - Step 6: Final answer
x = 85,745.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.