Finding the Third Proportional to 5,684 and 7,480
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Solution
The third proportional to 5,684 and 7,480 is: 9,843.49
Step by Step Solution
- Step 1: Write the proportion equation
5,684 : 7,480 = 7,480 : x - Step 2: Convert to fraction form
5,684/7,480 = 7,480/x - Step 3: Cross multiply
5,684x = 7,480 × 7,480 - Step 4: Simplify right side
5,684x = 55,950,400 - Step 5: Solve for x
x = 55,950,400/5,684 - Step 6: Final answer
x = 9,843.49
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Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.