Finding the Third Proportional to 7,899,990 and 11,798,217
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Solution
The third proportional to 7,899,990 and 11,798,217 is: 17,620,012.73
Step by Step Solution
- Step 1: Write the proportion equation
7,899,990 : 11,798,217 = 11,798,217 : x - Step 2: Convert to fraction form
7,899,990/11,798,217 = 11,798,217/x - Step 3: Cross multiply
7,899,990x = 11,798,217 × 11,798,217 - Step 4: Simplify right side
7,899,990x = 139,197,924,379,089 - Step 5: Solve for x
x = 139,197,924,379,089/7,899,990 - Step 6: Final answer
x = 17,620,012.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.