Finding the Third Proportional to 47.25 and 67.50
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Solution
The third proportional to 47.25 and 67.50 is: 96.43
Step by Step Solution
- Step 1: Write the proportion equation
47.25 : 67.50 = 67.50 : x - Step 2: Convert to fraction form
47.25/67.50 = 67.50/x - Step 3: Cross multiply
47.25x = 67.50 × 67.50 - Step 4: Simplify right side
47.25x = 4,556.25 - Step 5: Solve for x
x = 4,556.25/47.25 - Step 6: Final answer
x = 96.43
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.