Finding the Third Proportional to 3,820 and 8,360
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Solution
The third proportional to 3,820 and 8,360 is: 18,295.71
Step by Step Solution
- Step 1: Write the proportion equation
3,820 : 8,360 = 8,360 : x - Step 2: Convert to fraction form
3,820/8,360 = 8,360/x - Step 3: Cross multiply
3,820x = 8,360 × 8,360 - Step 4: Simplify right side
3,820x = 69,889,600 - Step 5: Solve for x
x = 69,889,600/3,820 - Step 6: Final answer
x = 18,295.71
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.