Finding the Third Proportional to 115,278.75 and 155,418.75
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Solution
The third proportional to 115,278.75 and 155,418.75 is: 209,535.48
Step by Step Solution
- Step 1: Write the proportion equation
115,278.75 : 155,418.75 = 155,418.75 : x - Step 2: Convert to fraction form
115,278.75/155,418.75 = 155,418.75/x - Step 3: Cross multiply
115,278.75x = 155,418.75 × 155,418.75 - Step 4: Simplify right side
115,278.75x = 24,154,987,851.56 - Step 5: Solve for x
x = 24,154,987,851.56/115,278.75 - Step 6: Final answer
x = 209,535.48
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.