Finding the Third Proportional to 7,110 and 9,480
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Solution
The third proportional to 7,110 and 9,480 is: 12,640
Step by Step Solution
- Step 1: Write the proportion equation
7,110 : 9,480 = 9,480 : x - Step 2: Convert to fraction form
7,110/9,480 = 9,480/x - Step 3: Cross multiply
7,110x = 9,480 × 9,480 - Step 4: Simplify right side
7,110x = 89,870,400 - Step 5: Solve for x
x = 89,870,400/7,110 - Step 6: Final answer
x = 12,640
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.