Finding the Third Proportional to 891 and 1,485
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Solution
The third proportional to 891 and 1,485 is: 2,475
Step by Step Solution
- Step 1: Write the proportion equation
891 : 1,485 = 1,485 : x - Step 2: Convert to fraction form
891/1,485 = 1,485/x - Step 3: Cross multiply
891x = 1,485 × 1,485 - Step 4: Simplify right side
891x = 2,205,225 - Step 5: Solve for x
x = 2,205,225/891 - Step 6: Final answer
x = 2,475
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.