Finding the Third Proportional to 474 and 580
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Solution
The third proportional to 474 and 580 is: 709.70
Step by Step Solution
- Step 1: Write the proportion equation
474 : 580 = 580 : x - Step 2: Convert to fraction form
474/580 = 580/x - Step 3: Cross multiply
474x = 580 × 580 - Step 4: Simplify right side
474x = 336,400 - Step 5: Solve for x
x = 336,400/474 - Step 6: Final answer
x = 709.70
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These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.