Finding the Third Proportional to 18,735.75 and 20,355.75
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Solution
The third proportional to 18,735.75 and 20,355.75 is: 22,115.82
Step by Step Solution
- Step 1: Write the proportion equation
18,735.75 : 20,355.75 = 20,355.75 : x - Step 2: Convert to fraction form
18,735.75/20,355.75 = 20,355.75/x - Step 3: Cross multiply
18,735.75x = 20,355.75 × 20,355.75 - Step 4: Simplify right side
18,735.75x = 414,356,558.06 - Step 5: Solve for x
x = 414,356,558.06/18,735.75 - Step 6: Final answer
x = 22,115.82
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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.