Finding the Third Proportional to 12,858.75 and 15,207.75
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Solution
The third proportional to 12,858.75 and 15,207.75 is: 17,985.86
Step by Step Solution
- Step 1: Write the proportion equation
12,858.75 : 15,207.75 = 15,207.75 : x - Step 2: Convert to fraction form
12,858.75/15,207.75 = 15,207.75/x - Step 3: Cross multiply
12,858.75x = 15,207.75 × 15,207.75 - Step 4: Simplify right side
12,858.75x = 231,275,660.06 - Step 5: Solve for x
x = 231,275,660.06/12,858.75 - Step 6: Final answer
x = 17,985.86
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.