Finding the Third Proportional to 20,478,728 and 43,996,555
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Solution
The third proportional to 20,478,728 and 43,996,555 is: 94,522,318.57
Step by Step Solution
- Step 1: Write the proportion equation
20,478,728 : 43,996,555 = 43,996,555 : x - Step 2: Convert to fraction form
20,478,728/43,996,555 = 43,996,555/x - Step 3: Cross multiply
20,478,728x = 43,996,555 × 43,996,555 - Step 4: Simplify right side
20,478,728x = 1,935,696,851,868,025 - Step 5: Solve for x
x = 1,935,696,851,868,025/20,478,728 - Step 6: Final answer
x = 94,522,318.57
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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.