Finding the Third Proportional to 879.75 and 1,914.75
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Solution
The third proportional to 879.75 and 1,914.75 is: 4,167.40
Step by Step Solution
- Step 1: Write the proportion equation
879.75 : 1,914.75 = 1,914.75 : x - Step 2: Convert to fraction form
879.75/1,914.75 = 1,914.75/x - Step 3: Cross multiply
879.75x = 1,914.75 × 1,914.75 - Step 4: Simplify right side
879.75x = 3,666,267.56 - Step 5: Solve for x
x = 3,666,267.56/879.75 - Step 6: Final answer
x = 4,167.40
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.