Finding the Third Proportional to 13,317.75 and 20,778.75
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Solution
The third proportional to 13,317.75 and 20,778.75 is: 32,419.62
Step by Step Solution
- Step 1: Write the proportion equation
13,317.75 : 20,778.75 = 20,778.75 : x - Step 2: Convert to fraction form
13,317.75/20,778.75 = 20,778.75/x - Step 3: Cross multiply
13,317.75x = 20,778.75 × 20,778.75 - Step 4: Simplify right side
13,317.75x = 431,756,451.56 - Step 5: Solve for x
x = 431,756,451.56/13,317.75 - Step 6: Final answer
x = 32,419.62
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.