Finding the Third Proportional to 18,121.50 and 26,393.63
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Solution
The third proportional to 18,121.50 and 26,393.63 is: 38,441.82
Step by Step Solution
- Step 1: Write the proportion equation
18,121.50 : 26,393.63 = 26,393.63 : x - Step 2: Convert to fraction form
18,121.50/26,393.63 = 26,393.63/x - Step 3: Cross multiply
18,121.50x = 26,393.63 × 26,393.63 - Step 4: Simplify right side
18,121.50x = 696,623,440.64 - Step 5: Solve for x
x = 696,623,440.64/18,121.50 - Step 6: Final answer
x = 38,441.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.