Finding the Third Proportional to 46.50 and 72
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Solution
The third proportional to 46.50 and 72 is: 111.48
Step by Step Solution
- Step 1: Write the proportion equation
46.50 : 72 = 72 : x - Step 2: Convert to fraction form
46.50/72 = 72/x - Step 3: Cross multiply
46.50x = 72 × 72 - Step 4: Simplify right side
46.50x = 5,184 - Step 5: Solve for x
x = 5,184/46.50 - Step 6: Final answer
x = 111.48
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.