Finding the Third Proportional to 81,673.31 and 122,509.97
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Solution
The third proportional to 81,673.31 and 122,509.97 is: 183,764.95
Step by Step Solution
- Step 1: Write the proportion equation
81,673.31 : 122,509.97 = 122,509.97 : x - Step 2: Convert to fraction form
81,673.31/122,509.97 = 122,509.97/x - Step 3: Cross multiply
81,673.31x = 122,509.97 × 122,509.97 - Step 4: Simplify right side
81,673.31x = 15,008,692,443.13 - Step 5: Solve for x
x = 15,008,692,443.13/81,673.31 - Step 6: Final answer
x = 183,764.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.