Finding the Third Proportional to 693,717,949.13 and 1,021,415,523.19
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Solution
The third proportional to 693,717,949.13 and 1,021,415,523.19 is: 1,503,910,447.07
Step by Step Solution
- Step 1: Write the proportion equation
693,717,949.13 : 1,021,415,523.19 = 1,021,415,523.19 : x - Step 2: Convert to fraction form
693,717,949.13/1,021,415,523.19 = 1,021,415,523.19/x - Step 3: Cross multiply
693,717,949.13x = 1,021,415,523.19 × 1,021,415,523.19 - Step 4: Simplify right side
693,717,949.13x = 1,043,289,671,008,394,368 - Step 5: Solve for x
x = 1,043,289,671,008,394,368/693,717,949.13 - Step 6: Final answer
x = 1,503,910,447.07
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.