Finding the Third Proportional to 480 and 656.50
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Solution
The third proportional to 480 and 656.50 is: 897.90
Step by Step Solution
- Step 1: Write the proportion equation
480 : 656.50 = 656.50 : x - Step 2: Convert to fraction form
480/656.50 = 656.50/x - Step 3: Cross multiply
480x = 656.50 × 656.50 - Step 4: Simplify right side
480x = 430,992.25 - Step 5: Solve for x
x = 430,992.25/480 - Step 6: Final answer
x = 897.90
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.