Finding the Third Proportional to 686 and 926.50
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Solution
The third proportional to 686 and 926.50 is: 1,251.32
Step by Step Solution
- Step 1: Write the proportion equation
686 : 926.50 = 926.50 : x - Step 2: Convert to fraction form
686/926.50 = 926.50/x - Step 3: Cross multiply
686x = 926.50 × 926.50 - Step 4: Simplify right side
686x = 858,402.25 - Step 5: Solve for x
x = 858,402.25/686 - Step 6: Final answer
x = 1,251.32
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.