Finding the Third Proportional to 157,156.88 and 339,207.75
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Solution
The third proportional to 157,156.88 and 339,207.75 is: 732,146.77
Step by Step Solution
- Step 1: Write the proportion equation
157,156.88 : 339,207.75 = 339,207.75 : x - Step 2: Convert to fraction form
157,156.88/339,207.75 = 339,207.75/x - Step 3: Cross multiply
157,156.88x = 339,207.75 × 339,207.75 - Step 4: Simplify right side
157,156.88x = 115,061,897,660.06 - Step 5: Solve for x
x = 115,061,897,660.06/157,156.88 - Step 6: Final answer
x = 732,146.77
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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.