Finding the Third Proportional to 25,221.19 and 40,638.09
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Solution
The third proportional to 25,221.19 and 40,638.09 is: 65,478.86
Step by Step Solution
- Step 1: Write the proportion equation
25,221.19 : 40,638.09 = 40,638.09 : x - Step 2: Convert to fraction form
25,221.19/40,638.09 = 40,638.09/x - Step 3: Cross multiply
25,221.19x = 40,638.09 × 40,638.09 - Step 4: Simplify right side
25,221.19x = 1,651,454,663.63 - Step 5: Solve for x
x = 1,651,454,663.63/25,221.19 - Step 6: Final answer
x = 65,478.86
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.