Finding the Third Proportional to 393,138.56 and 859,882.13
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Solution
The third proportional to 393,138.56 and 859,882.13 is: 1,880,754.88
Step by Step Solution
- Step 1: Write the proportion equation
393,138.56 : 859,882.13 = 859,882.13 : x - Step 2: Convert to fraction form
393,138.56/859,882.13 = 859,882.13/x - Step 3: Cross multiply
393,138.56x = 859,882.13 × 859,882.13 - Step 4: Simplify right side
393,138.56x = 739,397,268,894.52 - Step 5: Solve for x
x = 739,397,268,894.52/393,138.56 - Step 6: Final answer
x = 1,880,754.88
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.