Finding the Third Proportional to 769,498 and 1,149,939
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Solution
The third proportional to 769,498 and 1,149,939 is: 1,718,470.62
Step by Step Solution
- Step 1: Write the proportion equation
769,498 : 1,149,939 = 1,149,939 : x - Step 2: Convert to fraction form
769,498/1,149,939 = 1,149,939/x - Step 3: Cross multiply
769,498x = 1,149,939 × 1,149,939 - Step 4: Simplify right side
769,498x = 1,322,359,703,721 - Step 5: Solve for x
x = 1,322,359,703,721/769,498 - Step 6: Final answer
x = 1,718,470.62
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.