Finding the Third Proportional to 212,412,165 and 328,051,507
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Solution
The third proportional to 212,412,165 and 328,051,507 is: 506,646,082.37
Step by Step Solution
- Step 1: Write the proportion equation
212,412,165 : 328,051,507 = 328,051,507 : x - Step 2: Convert to fraction form
212,412,165/328,051,507 = 328,051,507/x - Step 3: Cross multiply
212,412,165x = 328,051,507 × 328,051,507 - Step 4: Simplify right side
212,412,165x = 107,617,791,244,971,056 - Step 5: Solve for x
x = 107,617,791,244,971,056/212,412,165 - Step 6: Final answer
x = 506,646,082.37
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.