Finding the Third Proportional to 1,201.75 and 1,856.75
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Solution
The third proportional to 1,201.75 and 1,856.75 is: 2,868.75
Step by Step Solution
- Step 1: Write the proportion equation
1,201.75 : 1,856.75 = 1,856.75 : x - Step 2: Convert to fraction form
1,201.75/1,856.75 = 1,856.75/x - Step 3: Cross multiply
1,201.75x = 1,856.75 × 1,856.75 - Step 4: Simplify right side
1,201.75x = 3,447,520.56 - Step 5: Solve for x
x = 3,447,520.56/1,201.75 - Step 6: Final answer
x = 2,868.75
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.