Finding the Third Proportional to 46 and 70
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Solution
The third proportional to 46 and 70 is: 106.52
Step by Step Solution
- Step 1: Write the proportion equation
46 : 70 = 70 : x - Step 2: Convert to fraction form
46/70 = 70/x - Step 3: Cross multiply
46x = 70 × 70 - Step 4: Simplify right side
46x = 4,900 - Step 5: Solve for x
x = 4,900/46 - Step 6: Final answer
x = 106.52
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.