Finding the Third Proportional to 387,765 and 820,239.75
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Solution
The third proportional to 387,765 and 820,239.75 is: 1,735,054.09
Step by Step Solution
- Step 1: Write the proportion equation
387,765 : 820,239.75 = 820,239.75 : x - Step 2: Convert to fraction form
387,765/820,239.75 = 820,239.75/x - Step 3: Cross multiply
387,765x = 820,239.75 × 820,239.75 - Step 4: Simplify right side
387,765x = 672,793,247,480.06 - Step 5: Solve for x
x = 672,793,247,480.06/387,765 - Step 6: Final answer
x = 1,735,054.09
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.