Finding the Third Proportional to 311,731.88 and 670,083.75
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Solution
The third proportional to 311,731.88 and 670,083.75 is: 1,440,379.60
Step by Step Solution
- Step 1: Write the proportion equation
311,731.88 : 670,083.75 = 670,083.75 : x - Step 2: Convert to fraction form
311,731.88/670,083.75 = 670,083.75/x - Step 3: Cross multiply
311,731.88x = 670,083.75 × 670,083.75 - Step 4: Simplify right side
311,731.88x = 449,012,232,014.06 - Step 5: Solve for x
x = 449,012,232,014.06/311,731.88 - Step 6: Final answer
x = 1,440,379.60
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.