Finding the Third Proportional to 69.50 and 133
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Solution
The third proportional to 69.50 and 133 is: 254.52
Step by Step Solution
- Step 1: Write the proportion equation
69.50 : 133 = 133 : x - Step 2: Convert to fraction form
69.50/133 = 133/x - Step 3: Cross multiply
69.50x = 133 × 133 - Step 4: Simplify right side
69.50x = 17,689 - Step 5: Solve for x
x = 17,689/69.50 - Step 6: Final answer
x = 254.52
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Why These Related Problems?
These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.