Finding the Third Proportional to 81,054.50 and 121,257.75
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Solution
The third proportional to 81,054.50 and 121,257.75 is: 181,401.92
Step by Step Solution
- Step 1: Write the proportion equation
81,054.50 : 121,257.75 = 121,257.75 : x - Step 2: Convert to fraction form
81,054.50/121,257.75 = 121,257.75/x - Step 3: Cross multiply
81,054.50x = 121,257.75 × 121,257.75 - Step 4: Simplify right side
81,054.50x = 14,703,441,935.06 - Step 5: Solve for x
x = 14,703,441,935.06/81,054.50 - Step 6: Final answer
x = 181,401.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.