Finding the Third Proportional to 386,515.13 and 577,995.75
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Solution
The third proportional to 386,515.13 and 577,995.75 is: 864,336.39
Step by Step Solution
- Step 1: Write the proportion equation
386,515.13 : 577,995.75 = 577,995.75 : x - Step 2: Convert to fraction form
386,515.13/577,995.75 = 577,995.75/x - Step 3: Cross multiply
386,515.13x = 577,995.75 × 577,995.75 - Step 4: Simplify right side
386,515.13x = 334,079,087,018.06 - Step 5: Solve for x
x = 334,079,087,018.06/386,515.13 - Step 6: Final answer
x = 864,336.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.