Finding the Third Proportional to 378,786.75 and 841,653.75
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Solution
The third proportional to 378,786.75 and 841,653.75 is: 1,870,131.51
Step by Step Solution
- Step 1: Write the proportion equation
378,786.75 : 841,653.75 = 841,653.75 : x - Step 2: Convert to fraction form
378,786.75/841,653.75 = 841,653.75/x - Step 3: Cross multiply
378,786.75x = 841,653.75 × 841,653.75 - Step 4: Simplify right side
378,786.75x = 708,381,034,889.06 - Step 5: Solve for x
x = 708,381,034,889.06/378,786.75 - Step 6: Final answer
x = 1,870,131.51
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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.