Finding the Third Proportional to 55,242.75 and 84,471.75
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Solution
The third proportional to 55,242.75 and 84,471.75 is: 129,165.85
Step by Step Solution
- Step 1: Write the proportion equation
55,242.75 : 84,471.75 = 84,471.75 : x - Step 2: Convert to fraction form
55,242.75/84,471.75 = 84,471.75/x - Step 3: Cross multiply
55,242.75x = 84,471.75 × 84,471.75 - Step 4: Simplify right side
55,242.75x = 7,135,476,548.06 - Step 5: Solve for x
x = 7,135,476,548.06/55,242.75 - Step 6: Final answer
x = 129,165.85
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.