Finding the Third Proportional to 619,207.88 and 871,989.75
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Solution
The third proportional to 619,207.88 and 871,989.75 is: 1,227,965.85
Step by Step Solution
- Step 1: Write the proportion equation
619,207.88 : 871,989.75 = 871,989.75 : x - Step 2: Convert to fraction form
619,207.88/871,989.75 = 871,989.75/x - Step 3: Cross multiply
619,207.88x = 871,989.75 × 871,989.75 - Step 4: Simplify right side
619,207.88x = 760,366,124,105.06 - Step 5: Solve for x
x = 760,366,124,105.06/619,207.88 - Step 6: Final answer
x = 1,227,965.85
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.