Finding the Third Proportional to 8,985.38 and 18,213.75
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Solution
The third proportional to 8,985.38 and 18,213.75 is: 36,920.07
Step by Step Solution
- Step 1: Write the proportion equation
8,985.38 : 18,213.75 = 18,213.75 : x - Step 2: Convert to fraction form
8,985.38/18,213.75 = 18,213.75/x - Step 3: Cross multiply
8,985.38x = 18,213.75 × 18,213.75 - Step 4: Simplify right side
8,985.38x = 331,740,689.06 - Step 5: Solve for x
x = 331,740,689.06/8,985.38 - Step 6: Final answer
x = 36,920.07
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1.5x scale
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.