Finding the Third Proportional to 423 and 502.50
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Solution
The third proportional to 423 and 502.50 is: 596.94
Step by Step Solution
- Step 1: Write the proportion equation
423 : 502.50 = 502.50 : x - Step 2: Convert to fraction form
423/502.50 = 502.50/x - Step 3: Cross multiply
423x = 502.50 × 502.50 - Step 4: Simplify right side
423x = 252,506.25 - Step 5: Solve for x
x = 252,506.25/423 - Step 6: Final answer
x = 596.94
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Why These Related Problems?
These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.