Finding the Third Proportional to 486,299.25 and 781,350.75
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Solution
The third proportional to 486,299.25 and 781,350.75 is: 1,255,418.33
Step by Step Solution
- Step 1: Write the proportion equation
486,299.25 : 781,350.75 = 781,350.75 : x - Step 2: Convert to fraction form
486,299.25/781,350.75 = 781,350.75/x - Step 3: Cross multiply
486,299.25x = 781,350.75 × 781,350.75 - Step 4: Simplify right side
486,299.25x = 610,508,994,525.56 - Step 5: Solve for x
x = 610,508,994,525.56/486,299.25 - Step 6: Final answer
x = 1,255,418.33
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.