Finding the Third Proportional to 393,643.13 and 554,711.63
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Solution
The third proportional to 393,643.13 and 554,711.63 is: 781,685.15
Step by Step Solution
- Step 1: Write the proportion equation
393,643.13 : 554,711.63 = 554,711.63 : x - Step 2: Convert to fraction form
393,643.13/554,711.63 = 554,711.63/x - Step 3: Cross multiply
393,643.13x = 554,711.63 × 554,711.63 - Step 4: Simplify right side
393,643.13x = 307,704,986,910.14 - Step 5: Solve for x
x = 307,704,986,910.14/393,643.13 - Step 6: Final answer
x = 781,685.15
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.