Finding the Third Proportional to 1,153.50 and 1,791
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Solution
The third proportional to 1,153.50 and 1,791 is: 2,780.82
Step by Step Solution
- Step 1: Write the proportion equation
1,153.50 : 1,791 = 1,791 : x - Step 2: Convert to fraction form
1,153.50/1,791 = 1,791/x - Step 3: Cross multiply
1,153.50x = 1,791 × 1,791 - Step 4: Simplify right side
1,153.50x = 3,207,681 - Step 5: Solve for x
x = 3,207,681/1,153.50 - Step 6: Final answer
x = 2,780.82
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.