Finding the Third Proportional to 5,515.13 and 12,021.75
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Solution
The third proportional to 5,515.13 and 12,021.75 is: 26,204.75
Step by Step Solution
- Step 1: Write the proportion equation
5,515.13 : 12,021.75 = 12,021.75 : x - Step 2: Convert to fraction form
5,515.13/12,021.75 = 12,021.75/x - Step 3: Cross multiply
5,515.13x = 12,021.75 × 12,021.75 - Step 4: Simplify right side
5,515.13x = 144,522,473.06 - Step 5: Solve for x
x = 144,522,473.06/5,515.13 - Step 6: Final answer
x = 26,204.75
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.