Finding the Third Proportional to 287,721.75 and 435,579.75
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Solution
The third proportional to 287,721.75 and 435,579.75 is: 659,420.84
Step by Step Solution
- Step 1: Write the proportion equation
287,721.75 : 435,579.75 = 435,579.75 : x - Step 2: Convert to fraction form
287,721.75/435,579.75 = 435,579.75/x - Step 3: Cross multiply
287,721.75x = 435,579.75 × 435,579.75 - Step 4: Simplify right side
287,721.75x = 189,729,718,610.06 - Step 5: Solve for x
x = 189,729,718,610.06/287,721.75 - Step 6: Final answer
x = 659,420.84
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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.