Finding the Third Proportional to 39,187.13 and 55,437.75
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Solution
The third proportional to 39,187.13 and 55,437.75 is: 78,427.39
Step by Step Solution
- Step 1: Write the proportion equation
39,187.13 : 55,437.75 = 55,437.75 : x - Step 2: Convert to fraction form
39,187.13/55,437.75 = 55,437.75/x - Step 3: Cross multiply
39,187.13x = 55,437.75 × 55,437.75 - Step 4: Simplify right side
39,187.13x = 3,073,344,125.06 - Step 5: Solve for x
x = 3,073,344,125.06/39,187.13 - Step 6: Final answer
x = 78,427.39
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.