Finding the Third Proportional to 398,170.69 and 862,756.31
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Solution
The third proportional to 398,170.69 and 862,756.31 is: 1,869,420.52
Step by Step Solution
- Step 1: Write the proportion equation
398,170.69 : 862,756.31 = 862,756.31 : x - Step 2: Convert to fraction form
398,170.69/862,756.31 = 862,756.31/x - Step 3: Cross multiply
398,170.69x = 862,756.31 × 862,756.31 - Step 4: Simplify right side
398,170.69x = 744,348,454,758.60 - Step 5: Solve for x
x = 744,348,454,758.60/398,170.69 - Step 6: Final answer
x = 1,869,420.52
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.