Finding the Third Proportional to 769,659.75 and 1,207,361.81
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Solution
The third proportional to 769,659.75 and 1,207,361.81 is: 1,893,983.08
Step by Step Solution
- Step 1: Write the proportion equation
769,659.75 : 1,207,361.81 = 1,207,361.81 : x - Step 2: Convert to fraction form
769,659.75/1,207,361.81 = 1,207,361.81/x - Step 3: Cross multiply
769,659.75x = 1,207,361.81 × 1,207,361.81 - Step 4: Simplify right side
769,659.75x = 1,457,722,546,283.29 - Step 5: Solve for x
x = 1,457,722,546,283.29/769,659.75 - Step 6: Final answer
x = 1,893,983.08
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.