Finding the Third Proportional to 311,130.75 and 678,573.75
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Solution
The third proportional to 311,130.75 and 678,573.75 is: 1,479,964.08
Step by Step Solution
- Step 1: Write the proportion equation
311,130.75 : 678,573.75 = 678,573.75 : x - Step 2: Convert to fraction form
311,130.75/678,573.75 = 678,573.75/x - Step 3: Cross multiply
311,130.75x = 678,573.75 × 678,573.75 - Step 4: Simplify right side
311,130.75x = 460,462,334,189.06 - Step 5: Solve for x
x = 460,462,334,189.06/311,130.75 - Step 6: Final answer
x = 1,479,964.08
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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.