Finding the Third Proportional to 433 and 521.50
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Solution
The third proportional to 433 and 521.50 is: 628.09
Step by Step Solution
- Step 1: Write the proportion equation
433 : 521.50 = 521.50 : x - Step 2: Convert to fraction form
433/521.50 = 521.50/x - Step 3: Cross multiply
433x = 521.50 × 521.50 - Step 4: Simplify right side
433x = 271,962.25 - Step 5: Solve for x
x = 271,962.25/433 - Step 6: Final answer
x = 628.09
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Why These Related Problems?
These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.