Finding the Third Proportional to 1,518.75 and 2,289.09
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Solution
The third proportional to 1,518.75 and 2,289.09 is: 3,450.17
Step by Step Solution
- Step 1: Write the proportion equation
1,518.75 : 2,289.09 = 2,289.09 : x - Step 2: Convert to fraction form
1,518.75/2,289.09 = 2,289.09/x - Step 3: Cross multiply
1,518.75x = 2,289.09 × 2,289.09 - Step 4: Simplify right side
1,518.75x = 5,239,950.20 - Step 5: Solve for x
x = 5,239,950.20/1,518.75 - Step 6: Final answer
x = 3,450.17
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.