Finding the Third Proportional to 399,217,479 and 873,691,722
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Solution
The third proportional to 399,217,479 and 873,691,722 is: 1,912,083,676.81
Step by Step Solution
- Step 1: Write the proportion equation
399,217,479 : 873,691,722 = 873,691,722 : x - Step 2: Convert to fraction form
399,217,479/873,691,722 = 873,691,722/x - Step 3: Cross multiply
399,217,479x = 873,691,722 × 873,691,722 - Step 4: Simplify right side
399,217,479x = 763,337,225,091,325,312 - Step 5: Solve for x
x = 763,337,225,091,325,312/399,217,479 - Step 6: Final answer
x = 1,912,083,676.81
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.