Finding the Third Proportional to 311,455.13 and 445,380.19
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Solution
The third proportional to 311,455.13 and 445,380.19 is: 636,892.75
Step by Step Solution
- Step 1: Write the proportion equation
311,455.13 : 445,380.19 = 445,380.19 : x - Step 2: Convert to fraction form
311,455.13/445,380.19 = 445,380.19/x - Step 3: Cross multiply
311,455.13x = 445,380.19 × 445,380.19 - Step 4: Simplify right side
311,455.13x = 198,363,511,417.54 - Step 5: Solve for x
x = 198,363,511,417.54/311,455.13 - Step 6: Final answer
x = 636,892.75
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.