Finding the Third Proportional to 3,365 and 7,078
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Solution
The third proportional to 3,365 and 7,078 is: 14,887.99
Step by Step Solution
- Step 1: Write the proportion equation
3,365 : 7,078 = 7,078 : x - Step 2: Convert to fraction form
3,365/7,078 = 7,078/x - Step 3: Cross multiply
3,365x = 7,078 × 7,078 - Step 4: Simplify right side
3,365x = 50,098,084 - Step 5: Solve for x
x = 50,098,084/3,365 - Step 6: Final answer
x = 14,887.99
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.