Finding the Third Proportional to 145,057.50 and 311,541.75
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Solution
The third proportional to 145,057.50 and 311,541.75 is: 669,101.99
Step by Step Solution
- Step 1: Write the proportion equation
145,057.50 : 311,541.75 = 311,541.75 : x - Step 2: Convert to fraction form
145,057.50/311,541.75 = 311,541.75/x - Step 3: Cross multiply
145,057.50x = 311,541.75 × 311,541.75 - Step 4: Simplify right side
145,057.50x = 97,058,261,993.06 - Step 5: Solve for x
x = 97,058,261,993.06/145,057.50 - Step 6: Final answer
x = 669,101.99
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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.