Finding the Third Proportional to 81,930.66 and 110,694.09
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Solution
The third proportional to 81,930.66 and 110,694.09 is: 149,555.53
Step by Step Solution
- Step 1: Write the proportion equation
81,930.66 : 110,694.09 = 110,694.09 : x - Step 2: Convert to fraction form
81,930.66/110,694.09 = 110,694.09/x - Step 3: Cross multiply
81,930.66x = 110,694.09 × 110,694.09 - Step 4: Simplify right side
81,930.66x = 12,253,182,391.13 - Step 5: Solve for x
x = 12,253,182,391.13/81,930.66 - Step 6: Final answer
x = 149,555.53
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.