Finding the Third Proportional to 89,135.44 and 136,490.06
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Solution
The third proportional to 89,135.44 and 136,490.06 is: 209,002.59
Step by Step Solution
- Step 1: Write the proportion equation
89,135.44 : 136,490.06 = 136,490.06 : x - Step 2: Convert to fraction form
89,135.44/136,490.06 = 136,490.06/x - Step 3: Cross multiply
89,135.44x = 136,490.06 × 136,490.06 - Step 4: Simplify right side
89,135.44x = 18,629,537,161.25 - Step 5: Solve for x
x = 18,629,537,161.25/89,135.44 - Step 6: Final answer
x = 209,002.59
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.