Finding the Third Proportional to 378,780.75 and 841,641.75
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Solution
The third proportional to 378,780.75 and 841,641.75 is: 1,870,107.80
Step by Step Solution
- Step 1: Write the proportion equation
378,780.75 : 841,641.75 = 841,641.75 : x - Step 2: Convert to fraction form
378,780.75/841,641.75 = 841,641.75/x - Step 3: Cross multiply
378,780.75x = 841,641.75 × 841,641.75 - Step 4: Simplify right side
378,780.75x = 708,360,835,343.06 - Step 5: Solve for x
x = 708,360,835,343.06/378,780.75 - Step 6: Final answer
x = 1,870,107.80
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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.