Finding the Third Proportional to 21,102.75 and 29,679.75
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Solution
The third proportional to 21,102.75 and 29,679.75 is: 41,742.79
Step by Step Solution
- Step 1: Write the proportion equation
21,102.75 : 29,679.75 = 29,679.75 : x - Step 2: Convert to fraction form
21,102.75/29,679.75 = 29,679.75/x - Step 3: Cross multiply
21,102.75x = 29,679.75 × 29,679.75 - Step 4: Simplify right side
21,102.75x = 880,887,560.06 - Step 5: Solve for x
x = 880,887,560.06/21,102.75 - Step 6: Final answer
x = 41,742.79
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.