Finding the Third Proportional to 393,585.19 and 815,176.13
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Solution
The third proportional to 393,585.19 and 815,176.13 is: 1,688,356.51
Step by Step Solution
- Step 1: Write the proportion equation
393,585.19 : 815,176.13 = 815,176.13 : x - Step 2: Convert to fraction form
393,585.19/815,176.13 = 815,176.13/x - Step 3: Cross multiply
393,585.19x = 815,176.13 × 815,176.13 - Step 4: Simplify right side
393,585.19x = 664,512,114,770.02 - Step 5: Solve for x
x = 664,512,114,770.02/393,585.19 - Step 6: Final answer
x = 1,688,356.51
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These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.