Finding the Third Proportional to 591,689 and 1,278,000
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Solution
The third proportional to 591,689 and 1,278,000 is: 2,760,375.81
Step by Step Solution
- Step 1: Write the proportion equation
591,689 : 1,278,000 = 1,278,000 : x - Step 2: Convert to fraction form
591,689/1,278,000 = 1,278,000/x - Step 3: Cross multiply
591,689x = 1,278,000 × 1,278,000 - Step 4: Simplify right side
591,689x = 1,633,284,000,000 - Step 5: Solve for x
x = 1,633,284,000,000/591,689 - Step 6: Final answer
x = 2,760,375.81
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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.