Finding the Third Proportional to 387,807.75 and 579,379.50
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Solution
The third proportional to 387,807.75 and 579,379.50 is: 865,585.09
Step by Step Solution
- Step 1: Write the proportion equation
387,807.75 : 579,379.50 = 579,379.50 : x - Step 2: Convert to fraction form
387,807.75/579,379.50 = 579,379.50/x - Step 3: Cross multiply
387,807.75x = 579,379.50 × 579,379.50 - Step 4: Simplify right side
387,807.75x = 335,680,605,020.25 - Step 5: Solve for x
x = 335,680,605,020.25/387,807.75 - Step 6: Final answer
x = 865,585.09
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.