Finding the Third Proportional to 718 and 1,288
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Solution
The third proportional to 718 and 1,288 is: 2,310.51
Step by Step Solution
- Step 1: Write the proportion equation
718 : 1,288 = 1,288 : x - Step 2: Convert to fraction form
718/1,288 = 1,288/x - Step 3: Cross multiply
718x = 1,288 × 1,288 - Step 4: Simplify right side
718x = 1,658,944 - Step 5: Solve for x
x = 1,658,944/718 - Step 6: Final answer
x = 2,310.51
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These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.