Finding the Third Proportional to 492 and 694.50
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Solution
The third proportional to 492 and 694.50 is: 980.35
Step by Step Solution
- Step 1: Write the proportion equation
492 : 694.50 = 694.50 : x - Step 2: Convert to fraction form
492/694.50 = 694.50/x - Step 3: Cross multiply
492x = 694.50 × 694.50 - Step 4: Simplify right side
492x = 482,330.25 - Step 5: Solve for x
x = 482,330.25/492 - Step 6: Final answer
x = 980.35
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.