Finding the Third Proportional to 986,728.50 and 2,125,728
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Solution
The third proportional to 986,728.50 and 2,125,728 is: 4,579,496.32
Step by Step Solution
- Step 1: Write the proportion equation
986,728.50 : 2,125,728 = 2,125,728 : x - Step 2: Convert to fraction form
986,728.50/2,125,728 = 2,125,728/x - Step 3: Cross multiply
986,728.50x = 2,125,728 × 2,125,728 - Step 4: Simplify right side
986,728.50x = 4,518,719,529,984 - Step 5: Solve for x
x = 4,518,719,529,984/986,728.50 - Step 6: Final answer
x = 4,579,496.32
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.