Finding the Third Proportional to 386,968.50 and 582,720.75
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Solution
The third proportional to 386,968.50 and 582,720.75 is: 877,496.42
Step by Step Solution
- Step 1: Write the proportion equation
386,968.50 : 582,720.75 = 582,720.75 : x - Step 2: Convert to fraction form
386,968.50/582,720.75 = 582,720.75/x - Step 3: Cross multiply
386,968.50x = 582,720.75 × 582,720.75 - Step 4: Simplify right side
386,968.50x = 339,563,472,480.56 - Step 5: Solve for x
x = 339,563,472,480.56/386,968.50 - Step 6: Final answer
x = 877,496.42
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.