Finding the Third Proportional to 521 and 660.50
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Solution
The third proportional to 521 and 660.50 is: 837.35
Step by Step Solution
- Step 1: Write the proportion equation
521 : 660.50 = 660.50 : x - Step 2: Convert to fraction form
521/660.50 = 660.50/x - Step 3: Cross multiply
521x = 660.50 × 660.50 - Step 4: Simplify right side
521x = 436,260.25 - Step 5: Solve for x
x = 436,260.25/521 - Step 6: Final answer
x = 837.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.