Finding the Third Proportional to 417,405.18 and 623,640.99
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Solution
The third proportional to 417,405.18 and 623,640.99 is: 931,775.89
Step by Step Solution
- Step 1: Write the proportion equation
417,405.18 : 623,640.99 = 623,640.99 : x - Step 2: Convert to fraction form
417,405.18/623,640.99 = 623,640.99/x - Step 3: Cross multiply
417,405.18x = 623,640.99 × 623,640.99 - Step 4: Simplify right side
417,405.18x = 388,928,084,700.52 - Step 5: Solve for x
x = 388,928,084,700.52/417,405.18 - Step 6: Final answer
x = 931,775.89
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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.