Finding the Third Proportional to 5,143.50 and 7,341.75
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Solution
The third proportional to 5,143.50 and 7,341.75 is: 10,479.50
Step by Step Solution
- Step 1: Write the proportion equation
5,143.50 : 7,341.75 = 7,341.75 : x - Step 2: Convert to fraction form
5,143.50/7,341.75 = 7,341.75/x - Step 3: Cross multiply
5,143.50x = 7,341.75 × 7,341.75 - Step 4: Simplify right side
5,143.50x = 53,901,293.06 - Step 5: Solve for x
x = 53,901,293.06/5,143.50 - Step 6: Final answer
x = 10,479.50
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.