Finding the Third Proportional to 18,113.75 and 36,718.75
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Solution
The third proportional to 18,113.75 and 36,718.75 is: 74,433.32
Step by Step Solution
- Step 1: Write the proportion equation
18,113.75 : 36,718.75 = 36,718.75 : x - Step 2: Convert to fraction form
18,113.75/36,718.75 = 36,718.75/x - Step 3: Cross multiply
18,113.75x = 36,718.75 × 36,718.75 - Step 4: Simplify right side
18,113.75x = 1,348,266,601.56 - Step 5: Solve for x
x = 1,348,266,601.56/18,113.75 - Step 6: Final answer
x = 74,433.32
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.