Finding the Third Proportional to 431,948.25 and 639,420.75
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Solution
The third proportional to 431,948.25 and 639,420.75 is: 946,546.02
Step by Step Solution
- Step 1: Write the proportion equation
431,948.25 : 639,420.75 = 639,420.75 : x - Step 2: Convert to fraction form
431,948.25/639,420.75 = 639,420.75/x - Step 3: Cross multiply
431,948.25x = 639,420.75 × 639,420.75 - Step 4: Simplify right side
431,948.25x = 408,858,895,530.56 - Step 5: Solve for x
x = 408,858,895,530.56/431,948.25 - Step 6: Final answer
x = 946,546.02
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.