Finding the Third Proportional to 21,818,523 and 47,467,788
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Solution
The third proportional to 21,818,523 and 47,467,788 is: 103,269,634.60
Step by Step Solution
- Step 1: Write the proportion equation
21,818,523 : 47,467,788 = 47,467,788 : x - Step 2: Convert to fraction form
21,818,523/47,467,788 = 47,467,788/x - Step 3: Cross multiply
21,818,523x = 47,467,788 × 47,467,788 - Step 4: Simplify right side
21,818,523x = 2,253,190,897,612,944 - Step 5: Solve for x
x = 2,253,190,897,612,944/21,818,523 - Step 6: Final answer
x = 103,269,634.60
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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.