Finding the Third Proportional to 20,137.50 and 29,589.75
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Solution
The third proportional to 20,137.50 and 29,589.75 is: 43,478.75
Step by Step Solution
- Step 1: Write the proportion equation
20,137.50 : 29,589.75 = 29,589.75 : x - Step 2: Convert to fraction form
20,137.50/29,589.75 = 29,589.75/x - Step 3: Cross multiply
20,137.50x = 29,589.75 × 29,589.75 - Step 4: Simplify right side
20,137.50x = 875,553,305.06 - Step 5: Solve for x
x = 875,553,305.06/20,137.50 - Step 6: Final answer
x = 43,478.75
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.