Finding the Third Proportional to 43 and 116.50
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Solution
The third proportional to 43 and 116.50 is: 315.63
Step by Step Solution
- Step 1: Write the proportion equation
43 : 116.50 = 116.50 : x - Step 2: Convert to fraction form
43/116.50 = 116.50/x - Step 3: Cross multiply
43x = 116.50 × 116.50 - Step 4: Simplify right side
43x = 13,572.25 - Step 5: Solve for x
x = 13,572.25/43 - Step 6: Final answer
x = 315.63
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Why These Related Problems?
These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.