Finding the Third Proportional to 399,021.19 and 582,979.78
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Solution
The third proportional to 399,021.19 and 582,979.78 is: 851,747.82
Step by Step Solution
- Step 1: Write the proportion equation
399,021.19 : 582,979.78 = 582,979.78 : x - Step 2: Convert to fraction form
399,021.19/582,979.78 = 582,979.78/x - Step 3: Cross multiply
399,021.19x = 582,979.78 × 582,979.78 - Step 4: Simplify right side
399,021.19x = 339,865,425,346.30 - Step 5: Solve for x
x = 339,865,425,346.30/399,021.19 - Step 6: Final answer
x = 851,747.82
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.