Finding the Third Proportional to 53,178,990 and 115,675,416
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Solution
The third proportional to 53,178,990 and 115,675,416 is: 251,618,202.35
Step by Step Solution
- Step 1: Write the proportion equation
53,178,990 : 115,675,416 = 115,675,416 : x - Step 2: Convert to fraction form
53,178,990/115,675,416 = 115,675,416/x - Step 3: Cross multiply
53,178,990x = 115,675,416 × 115,675,416 - Step 4: Simplify right side
53,178,990x = 13,380,801,866,773,056 - Step 5: Solve for x
x = 13,380,801,866,773,056/53,178,990 - Step 6: Final answer
x = 251,618,202.35
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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.