Finding the Third Proportional to 722 and 1,557.50
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Solution
The third proportional to 722 and 1,557.50 is: 3,359.84
Step by Step Solution
- Step 1: Write the proportion equation
722 : 1,557.50 = 1,557.50 : x - Step 2: Convert to fraction form
722/1,557.50 = 1,557.50/x - Step 3: Cross multiply
722x = 1,557.50 × 1,557.50 - Step 4: Simplify right side
722x = 2,425,806.25 - Step 5: Solve for x
x = 2,425,806.25/722 - Step 6: Final answer
x = 3,359.84
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.