Finding the Third Proportional to 1,126.50 and 1,731
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Solution
The third proportional to 1,126.50 and 1,731 is: 2,659.89
Step by Step Solution
- Step 1: Write the proportion equation
1,126.50 : 1,731 = 1,731 : x - Step 2: Convert to fraction form
1,126.50/1,731 = 1,731/x - Step 3: Cross multiply
1,126.50x = 1,731 × 1,731 - Step 4: Simplify right side
1,126.50x = 2,996,361 - Step 5: Solve for x
x = 2,996,361/1,126.50 - Step 6: Final answer
x = 2,659.89
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.