Finding the Third Proportional to 72,040.50 and 115,750.13
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Solution
The third proportional to 72,040.50 and 115,750.13 is: 185,979.99
Step by Step Solution
- Step 1: Write the proportion equation
72,040.50 : 115,750.13 = 115,750.13 : x - Step 2: Convert to fraction form
72,040.50/115,750.13 = 115,750.13/x - Step 3: Cross multiply
72,040.50x = 115,750.13 × 115,750.13 - Step 4: Simplify right side
72,040.50x = 13,398,091,437.52 - Step 5: Solve for x
x = 13,398,091,437.52/72,040.50 - Step 6: Final answer
x = 185,979.99
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.