Finding the Third Proportional to 79,712.25 and 122,079.75
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Solution
The third proportional to 79,712.25 and 122,079.75 is: 186,965.81
Step by Step Solution
- Step 1: Write the proportion equation
79,712.25 : 122,079.75 = 122,079.75 : x - Step 2: Convert to fraction form
79,712.25/122,079.75 = 122,079.75/x - Step 3: Cross multiply
79,712.25x = 122,079.75 × 122,079.75 - Step 4: Simplify right side
79,712.25x = 14,903,465,360.06 - Step 5: Solve for x
x = 14,903,465,360.06/79,712.25 - Step 6: Final answer
x = 186,965.81
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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.