Finding the Third Proportional to 761.63 and 1,645.31
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Solution
The third proportional to 761.63 and 1,645.31 is: 3,554.31
Step by Step Solution
- Step 1: Write the proportion equation
761.63 : 1,645.31 = 1,645.31 : x - Step 2: Convert to fraction form
761.63/1,645.31 = 1,645.31/x - Step 3: Cross multiply
761.63x = 1,645.31 × 1,645.31 - Step 4: Simplify right side
761.63x = 2,707,053.22 - Step 5: Solve for x
x = 2,707,053.22/761.63 - Step 6: Final answer
x = 3,554.31
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.