Finding the Third Proportional to 84,134.25 and 178,656.75
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Solution
The third proportional to 84,134.25 and 178,656.75 is: 379,372.66
Step by Step Solution
- Step 1: Write the proportion equation
84,134.25 : 178,656.75 = 178,656.75 : x - Step 2: Convert to fraction form
84,134.25/178,656.75 = 178,656.75/x - Step 3: Cross multiply
84,134.25x = 178,656.75 × 178,656.75 - Step 4: Simplify right side
84,134.25x = 31,918,234,320.56 - Step 5: Solve for x
x = 31,918,234,320.56/84,134.25 - Step 6: Final answer
x = 379,372.66
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.