Finding the Third Proportional to 388,843.25 and 808,725.75
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Solution
The third proportional to 388,843.25 and 808,725.75 is: 1,682,007.70
Step by Step Solution
- Step 1: Write the proportion equation
388,843.25 : 808,725.75 = 808,725.75 : x - Step 2: Convert to fraction form
388,843.25/808,725.75 = 808,725.75/x - Step 3: Cross multiply
388,843.25x = 808,725.75 × 808,725.75 - Step 4: Simplify right side
388,843.25x = 654,037,338,713.06 - Step 5: Solve for x
x = 654,037,338,713.06/388,843.25 - Step 6: Final answer
x = 1,682,007.70
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.