Finding the Third Proportional to 3,528 and 7,140
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Solution
The third proportional to 3,528 and 7,140 is: 14,450
Step by Step Solution
- Step 1: Write the proportion equation
3,528 : 7,140 = 7,140 : x - Step 2: Convert to fraction form
3,528/7,140 = 7,140/x - Step 3: Cross multiply
3,528x = 7,140 × 7,140 - Step 4: Simplify right side
3,528x = 50,979,600 - Step 5: Solve for x
x = 50,979,600/3,528 - Step 6: Final answer
x = 14,450
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Why These Related Problems?
These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.