Finding the Third Proportional to 476 and 1,222
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Solution
The third proportional to 476 and 1,222 is: 3,137.15
Step by Step Solution
- Step 1: Write the proportion equation
476 : 1,222 = 1,222 : x - Step 2: Convert to fraction form
476/1,222 = 1,222/x - Step 3: Cross multiply
476x = 1,222 × 1,222 - Step 4: Simplify right side
476x = 1,493,284 - Step 5: Solve for x
x = 1,493,284/476 - Step 6: Final answer
x = 3,137.15
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These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.