Finding the Third Proportional to 455 and 494.50
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Solution
The third proportional to 455 and 494.50 is: 537.43
Step by Step Solution
- Step 1: Write the proportion equation
455 : 494.50 = 494.50 : x - Step 2: Convert to fraction form
455/494.50 = 494.50/x - Step 3: Cross multiply
455x = 494.50 × 494.50 - Step 4: Simplify right side
455x = 244,530.25 - Step 5: Solve for x
x = 244,530.25/455 - Step 6: Final answer
x = 537.43
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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.