Finding the Third Proportional to 505 and 863.50
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Solution
The third proportional to 505 and 863.50 is: 1,476.50
Step by Step Solution
- Step 1: Write the proportion equation
505 : 863.50 = 863.50 : x - Step 2: Convert to fraction form
505/863.50 = 863.50/x - Step 3: Cross multiply
505x = 863.50 × 863.50 - Step 4: Simplify right side
505x = 745,632.25 - Step 5: Solve for x
x = 745,632.25/505 - Step 6: Final answer
x = 1,476.50
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Why These Related Problems?
These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.