Finding the Third Proportional to 4,808 and 7,212
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Solution
The third proportional to 4,808 and 7,212 is: 10,818
Step by Step Solution
- Step 1: Write the proportion equation
4,808 : 7,212 = 7,212 : x - Step 2: Convert to fraction form
4,808/7,212 = 7,212/x - Step 3: Cross multiply
4,808x = 7,212 × 7,212 - Step 4: Simplify right side
4,808x = 52,012,944 - Step 5: Solve for x
x = 52,012,944/4,808 - Step 6: Final answer
x = 10,818
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.