Finding the Third Proportional to 392,331.25 and 606,243.75
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Solution
The third proportional to 392,331.25 and 606,243.75 is: 936,788.71
Step by Step Solution
- Step 1: Write the proportion equation
392,331.25 : 606,243.75 = 606,243.75 : x - Step 2: Convert to fraction form
392,331.25/606,243.75 = 606,243.75/x - Step 3: Cross multiply
392,331.25x = 606,243.75 × 606,243.75 - Step 4: Simplify right side
392,331.25x = 367,531,484,414.06 - Step 5: Solve for x
x = 367,531,484,414.06/392,331.25 - Step 6: Final answer
x = 936,788.71
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.