Finding the Third Proportional to 2,489.06 and 3,489.75
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Solution
The third proportional to 2,489.06 and 3,489.75 is: 4,892.75
Step by Step Solution
- Step 1: Write the proportion equation
2,489.06 : 3,489.75 = 3,489.75 : x - Step 2: Convert to fraction form
2,489.06/3,489.75 = 3,489.75/x - Step 3: Cross multiply
2,489.06x = 3,489.75 × 3,489.75 - Step 4: Simplify right side
2,489.06x = 12,178,355.06 - Step 5: Solve for x
x = 12,178,355.06/2,489.06 - Step 6: Final answer
x = 4,892.75
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.