Finding the Third Proportional to 30.38 and 43.88
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Solution
The third proportional to 30.38 and 43.88 is: 63.38
Step by Step Solution
- Step 1: Write the proportion equation
30.38 : 43.88 = 43.88 : x - Step 2: Convert to fraction form
30.38/43.88 = 43.88/x - Step 3: Cross multiply
30.38x = 43.88 × 43.88 - Step 4: Simplify right side
30.38x = 1,925.02 - Step 5: Solve for x
x = 1,925.02/30.38 - Step 6: Final answer
x = 63.38
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.