Finding the Third Proportional to 84,768.19 and 115,122.09
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Solution
The third proportional to 84,768.19 and 115,122.09 is: 156,345.17
Step by Step Solution
- Step 1: Write the proportion equation
84,768.19 : 115,122.09 = 115,122.09 : x - Step 2: Convert to fraction form
84,768.19/115,122.09 = 115,122.09/x - Step 3: Cross multiply
84,768.19x = 115,122.09 × 115,122.09 - Step 4: Simplify right side
84,768.19x = 13,253,096,469.38 - Step 5: Solve for x
x = 13,253,096,469.38/84,768.19 - Step 6: Final answer
x = 156,345.17
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.