Finding the Third Proportional to 1,156 and 1,782
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Solution
The third proportional to 1,156 and 1,782 is: 2,746.99
Step by Step Solution
- Step 1: Write the proportion equation
1,156 : 1,782 = 1,782 : x - Step 2: Convert to fraction form
1,156/1,782 = 1,782/x - Step 3: Cross multiply
1,156x = 1,782 × 1,782 - Step 4: Simplify right side
1,156x = 3,175,524 - Step 5: Solve for x
x = 3,175,524/1,156 - Step 6: Final answer
x = 2,746.99
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.