Finding the Third Proportional to 2,129.75 and 3,303.75
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Solution
The third proportional to 2,129.75 and 3,303.75 is: 5,124.90
Step by Step Solution
- Step 1: Write the proportion equation
2,129.75 : 3,303.75 = 3,303.75 : x - Step 2: Convert to fraction form
2,129.75/3,303.75 = 3,303.75/x - Step 3: Cross multiply
2,129.75x = 3,303.75 × 3,303.75 - Step 4: Simplify right side
2,129.75x = 10,914,764.06 - Step 5: Solve for x
x = 10,914,764.06/2,129.75 - Step 6: Final answer
x = 5,124.90
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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.