Finding the Third Proportional to 401 and 653.50
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Solution
The third proportional to 401 and 653.50 is: 1,064.99
Step by Step Solution
- Step 1: Write the proportion equation
401 : 653.50 = 653.50 : x - Step 2: Convert to fraction form
401/653.50 = 653.50/x - Step 3: Cross multiply
401x = 653.50 × 653.50 - Step 4: Simplify right side
401x = 427,062.25 - Step 5: Solve for x
x = 427,062.25/401 - Step 6: Final answer
x = 1,064.99
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.