Finding the Third Proportional to 1,425 and 2,280
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Solution
The third proportional to 1,425 and 2,280 is: 3,648
Step by Step Solution
- Step 1: Write the proportion equation
1,425 : 2,280 = 2,280 : x - Step 2: Convert to fraction form
1,425/2,280 = 2,280/x - Step 3: Cross multiply
1,425x = 2,280 × 2,280 - Step 4: Simplify right side
1,425x = 5,198,400 - Step 5: Solve for x
x = 5,198,400/1,425 - Step 6: Final answer
x = 3,648
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.