Finding the Third Proportional to 21,008,956 and 45,698,876
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Solution
The third proportional to 21,008,956 and 45,698,876 is: 99,404,619.04
Step by Step Solution
- Step 1: Write the proportion equation
21,008,956 : 45,698,876 = 45,698,876 : x - Step 2: Convert to fraction form
21,008,956/45,698,876 = 45,698,876/x - Step 3: Cross multiply
21,008,956x = 45,698,876 × 45,698,876 - Step 4: Simplify right side
21,008,956x = 2,088,387,267,663,376 - Step 5: Solve for x
x = 2,088,387,267,663,376/21,008,956 - Step 6: Final answer
x = 99,404,619.04
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.