Finding the Third Proportional to 47,900 and 72,514
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Solution
The third proportional to 47,900 and 72,514 is: 109,776.20
Step by Step Solution
- Step 1: Write the proportion equation
47,900 : 72,514 = 72,514 : x - Step 2: Convert to fraction form
47,900/72,514 = 72,514/x - Step 3: Cross multiply
47,900x = 72,514 × 72,514 - Step 4: Simplify right side
47,900x = 5,258,280,196 - Step 5: Solve for x
x = 5,258,280,196/47,900 - Step 6: Final answer
x = 109,776.20
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.