Finding the Third Proportional to 291 and 503.50
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Solution
The third proportional to 291 and 503.50 is: 871.18
Step by Step Solution
- Step 1: Write the proportion equation
291 : 503.50 = 503.50 : x - Step 2: Convert to fraction form
291/503.50 = 503.50/x - Step 3: Cross multiply
291x = 503.50 × 503.50 - Step 4: Simplify right side
291x = 253,512.25 - Step 5: Solve for x
x = 253,512.25/291 - Step 6: Final answer
x = 871.18
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Why These Related Problems?
These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.