Finding the Third Proportional to 908 and 2,122
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Solution
The third proportional to 908 and 2,122 is: 4,959.12
Step by Step Solution
- Step 1: Write the proportion equation
908 : 2,122 = 2,122 : x - Step 2: Convert to fraction form
908/2,122 = 2,122/x - Step 3: Cross multiply
908x = 2,122 × 2,122 - Step 4: Simplify right side
908x = 4,502,884 - Step 5: Solve for x
x = 4,502,884/908 - Step 6: Final answer
x = 4,959.12
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.