Finding the Third Proportional to 19,438,218 and 41,993,460
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Solution
The third proportional to 19,438,218 and 41,993,460 is: 90,720,799.75
Step by Step Solution
- Step 1: Write the proportion equation
19,438,218 : 41,993,460 = 41,993,460 : x - Step 2: Convert to fraction form
19,438,218/41,993,460 = 41,993,460/x - Step 3: Cross multiply
19,438,218x = 41,993,460 × 41,993,460 - Step 4: Simplify right side
19,438,218x = 1,763,450,682,771,600 - Step 5: Solve for x
x = 1,763,450,682,771,600/19,438,218 - Step 6: Final answer
x = 90,720,799.75
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.