Finding the Third Proportional to 18,408.75 and 38,457.75
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Solution
The third proportional to 18,408.75 and 38,457.75 is: 80,342.15
Step by Step Solution
- Step 1: Write the proportion equation
18,408.75 : 38,457.75 = 38,457.75 : x - Step 2: Convert to fraction form
18,408.75/38,457.75 = 38,457.75/x - Step 3: Cross multiply
18,408.75x = 38,457.75 × 38,457.75 - Step 4: Simplify right side
18,408.75x = 1,478,998,535.06 - Step 5: Solve for x
x = 1,478,998,535.06/18,408.75 - Step 6: Final answer
x = 80,342.15
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.