Finding the Third Proportional to 433 and 855
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Solution
The third proportional to 433 and 855 is: 1,688.28
Step by Step Solution
- Step 1: Write the proportion equation
433 : 855 = 855 : x - Step 2: Convert to fraction form
433/855 = 855/x - Step 3: Cross multiply
433x = 855 × 855 - Step 4: Simplify right side
433x = 731,025 - Step 5: Solve for x
x = 731,025/433 - Step 6: Final answer
x = 1,688.28
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Why These Related Problems?
These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.