Finding the Third Proportional to 99,981 and 216,000
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Solution
The third proportional to 99,981 and 216,000 is: 466,648.66
Step by Step Solution
- Step 1: Write the proportion equation
99,981 : 216,000 = 216,000 : x - Step 2: Convert to fraction form
99,981/216,000 = 216,000/x - Step 3: Cross multiply
99,981x = 216,000 × 216,000 - Step 4: Simplify right side
99,981x = 46,656,000,000 - Step 5: Solve for x
x = 46,656,000,000/99,981 - Step 6: Final answer
x = 466,648.66
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.