Finding the Third Proportional to 655,548 and 989,316
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Solution
The third proportional to 655,548 and 989,316 is: 1,493,019.81
Step by Step Solution
- Step 1: Write the proportion equation
655,548 : 989,316 = 989,316 : x - Step 2: Convert to fraction form
655,548/989,316 = 989,316/x - Step 3: Cross multiply
655,548x = 989,316 × 989,316 - Step 4: Simplify right side
655,548x = 978,746,147,856 - Step 5: Solve for x
x = 978,746,147,856/655,548 - Step 6: Final answer
x = 1,493,019.81
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.