Finding the Third Proportional to 75,865.50 and 109,279.75
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Solution
The third proportional to 75,865.50 and 109,279.75 is: 157,410.99
Step by Step Solution
- Step 1: Write the proportion equation
75,865.50 : 109,279.75 = 109,279.75 : x - Step 2: Convert to fraction form
75,865.50/109,279.75 = 109,279.75/x - Step 3: Cross multiply
75,865.50x = 109,279.75 × 109,279.75 - Step 4: Simplify right side
75,865.50x = 11,942,063,760.06 - Step 5: Solve for x
x = 11,942,063,760.06/75,865.50 - Step 6: Final answer
x = 157,410.99
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.