Finding the Third Proportional to 19,875.75 and 27,855.75
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Solution
The third proportional to 19,875.75 and 27,855.75 is: 39,039.67
Step by Step Solution
- Step 1: Write the proportion equation
19,875.75 : 27,855.75 = 27,855.75 : x - Step 2: Convert to fraction form
19,875.75/27,855.75 = 27,855.75/x - Step 3: Cross multiply
19,875.75x = 27,855.75 × 27,855.75 - Step 4: Simplify right side
19,875.75x = 775,942,808.06 - Step 5: Solve for x
x = 775,942,808.06/19,875.75 - Step 6: Final answer
x = 39,039.67
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.