Finding the Third Proportional to 396 and 526
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Solution
The third proportional to 396 and 526 is: 698.68
Step by Step Solution
- Step 1: Write the proportion equation
396 : 526 = 526 : x - Step 2: Convert to fraction form
396/526 = 526/x - Step 3: Cross multiply
396x = 526 × 526 - Step 4: Simplify right side
396x = 276,676 - Step 5: Solve for x
x = 276,676/396 - Step 6: Final answer
x = 698.68
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.