Finding the Third Proportional to 3,331.13 and 7,122.94
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Solution
The third proportional to 3,331.13 and 7,122.94 is: 15,230.96
Step by Step Solution
- Step 1: Write the proportion equation
3,331.13 : 7,122.94 = 7,122.94 : x - Step 2: Convert to fraction form
3,331.13/7,122.94 = 7,122.94/x - Step 3: Cross multiply
3,331.13x = 7,122.94 × 7,122.94 - Step 4: Simplify right side
3,331.13x = 50,736,238.63 - Step 5: Solve for x
x = 50,736,238.63/3,331.13 - Step 6: Final answer
x = 15,230.96
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.