Finding the Third Proportional to 79,439.06 and 121,695.75
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Solution
The third proportional to 79,439.06 and 121,695.75 is: 186,430.39
Step by Step Solution
- Step 1: Write the proportion equation
79,439.06 : 121,695.75 = 121,695.75 : x - Step 2: Convert to fraction form
79,439.06/121,695.75 = 121,695.75/x - Step 3: Cross multiply
79,439.06x = 121,695.75 × 121,695.75 - Step 4: Simplify right side
79,439.06x = 14,809,855,568.06 - Step 5: Solve for x
x = 14,809,855,568.06/79,439.06 - Step 6: Final answer
x = 186,430.39
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.