Finding the Third Proportional to 1,455.50 and 2,257
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Solution
The third proportional to 1,455.50 and 2,257 is: 3,499.86
Step by Step Solution
- Step 1: Write the proportion equation
1,455.50 : 2,257 = 2,257 : x - Step 2: Convert to fraction form
1,455.50/2,257 = 2,257/x - Step 3: Cross multiply
1,455.50x = 2,257 × 2,257 - Step 4: Simplify right side
1,455.50x = 5,094,049 - Step 5: Solve for x
x = 5,094,049/1,455.50 - Step 6: Final answer
x = 3,499.86
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.