Finding the Third Proportional to 81,463.50 and 173,679.75
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Solution
The third proportional to 81,463.50 and 173,679.75 is: 370,284.31
Step by Step Solution
- Step 1: Write the proportion equation
81,463.50 : 173,679.75 = 173,679.75 : x - Step 2: Convert to fraction form
81,463.50/173,679.75 = 173,679.75/x - Step 3: Cross multiply
81,463.50x = 173,679.75 × 173,679.75 - Step 4: Simplify right side
81,463.50x = 30,164,655,560.06 - Step 5: Solve for x
x = 30,164,655,560.06/81,463.50 - Step 6: Final answer
x = 370,284.31
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.