Finding the Third Proportional to 12,021.75 and 13,695.75
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Solution
The third proportional to 12,021.75 and 13,695.75 is: 15,602.85
Step by Step Solution
- Step 1: Write the proportion equation
12,021.75 : 13,695.75 = 13,695.75 : x - Step 2: Convert to fraction form
12,021.75/13,695.75 = 13,695.75/x - Step 3: Cross multiply
12,021.75x = 13,695.75 × 13,695.75 - Step 4: Simplify right side
12,021.75x = 187,573,568.06 - Step 5: Solve for x
x = 187,573,568.06/12,021.75 - Step 6: Final answer
x = 15,602.85
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These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.