Finding the Third Proportional to 409,789.13 and 620,394.19
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Solution
The third proportional to 409,789.13 and 620,394.19 is: 939,236.61
Step by Step Solution
- Step 1: Write the proportion equation
409,789.13 : 620,394.19 = 620,394.19 : x - Step 2: Convert to fraction form
409,789.13/620,394.19 = 620,394.19/x - Step 3: Cross multiply
409,789.13x = 620,394.19 × 620,394.19 - Step 4: Simplify right side
409,789.13x = 384,888,947,883.79 - Step 5: Solve for x
x = 384,888,947,883.79/409,789.13 - Step 6: Final answer
x = 939,236.61
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.