Finding the Third Proportional to 3,298 and 7,240
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Solution
The third proportional to 3,298 and 7,240 is: 15,893.75
Step by Step Solution
- Step 1: Write the proportion equation
3,298 : 7,240 = 7,240 : x - Step 2: Convert to fraction form
3,298/7,240 = 7,240/x - Step 3: Cross multiply
3,298x = 7,240 × 7,240 - Step 4: Simplify right side
3,298x = 52,417,600 - Step 5: Solve for x
x = 52,417,600/3,298 - Step 6: Final answer
x = 15,893.75
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.