Finding the Third Proportional to 637,452 and 1,390,815
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Solution
The third proportional to 637,452 and 1,390,815 is: 3,034,528.66
Step by Step Solution
- Step 1: Write the proportion equation
637,452 : 1,390,815 = 1,390,815 : x - Step 2: Convert to fraction form
637,452/1,390,815 = 1,390,815/x - Step 3: Cross multiply
637,452x = 1,390,815 × 1,390,815 - Step 4: Simplify right side
637,452x = 1,934,366,364,225 - Step 5: Solve for x
x = 1,934,366,364,225/637,452 - Step 6: Final answer
x = 3,034,528.66
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.