Finding the Third Proportional to 18,987.75 and 29,481.75
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Solution
The third proportional to 18,987.75 and 29,481.75 is: 45,775.49
Step by Step Solution
- Step 1: Write the proportion equation
18,987.75 : 29,481.75 = 29,481.75 : x - Step 2: Convert to fraction form
18,987.75/29,481.75 = 29,481.75/x - Step 3: Cross multiply
18,987.75x = 29,481.75 × 29,481.75 - Step 4: Simplify right side
18,987.75x = 869,173,583.06 - Step 5: Solve for x
x = 869,173,583.06/18,987.75 - Step 6: Final answer
x = 45,775.49
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.