Finding the Third Proportional to 1,460 and 2,190
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Solution
The third proportional to 1,460 and 2,190 is: 3,285
Step by Step Solution
- Step 1: Write the proportion equation
1,460 : 2,190 = 2,190 : x - Step 2: Convert to fraction form
1,460/2,190 = 2,190/x - Step 3: Cross multiply
1,460x = 2,190 × 2,190 - Step 4: Simplify right side
1,460x = 4,796,100 - Step 5: Solve for x
x = 4,796,100/1,460 - Step 6: Final answer
x = 3,285
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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.