Finding the Third Proportional to 490,863.38 and 720,135.56
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Solution
The third proportional to 490,863.38 and 720,135.56 is: 1,056,496.07
Step by Step Solution
- Step 1: Write the proportion equation
490,863.38 : 720,135.56 = 720,135.56 : x - Step 2: Convert to fraction form
490,863.38/720,135.56 = 720,135.56/x - Step 3: Cross multiply
490,863.38x = 720,135.56 × 720,135.56 - Step 4: Simplify right side
490,863.38x = 518,595,228,377.19 - Step 5: Solve for x
x = 518,595,228,377.19/490,863.38 - Step 6: Final answer
x = 1,056,496.07
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.