Finding the Third Proportional to 1,689.75 and 2,525.63
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Solution
The third proportional to 1,689.75 and 2,525.63 is: 3,774.99
Step by Step Solution
- Step 1: Write the proportion equation
1,689.75 : 2,525.63 = 2,525.63 : x - Step 2: Convert to fraction form
1,689.75/2,525.63 = 2,525.63/x - Step 3: Cross multiply
1,689.75x = 2,525.63 × 2,525.63 - Step 4: Simplify right side
1,689.75x = 6,378,781.64 - Step 5: Solve for x
x = 6,378,781.64/1,689.75 - Step 6: Final answer
x = 3,774.99
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.