Finding the Third Proportional to 474 and 628
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Solution
The third proportional to 474 and 628 is: 832.03
Step by Step Solution
- Step 1: Write the proportion equation
474 : 628 = 628 : x - Step 2: Convert to fraction form
474/628 = 628/x - Step 3: Cross multiply
474x = 628 × 628 - Step 4: Simplify right side
474x = 394,384 - Step 5: Solve for x
x = 394,384/474 - Step 6: Final answer
x = 832.03
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Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.