Finding the Third Proportional to 8,642,394 and 18,879,351
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Solution
The third proportional to 8,642,394 and 18,879,351 is: 41,242,032.49
Step by Step Solution
- Step 1: Write the proportion equation
8,642,394 : 18,879,351 = 18,879,351 : x - Step 2: Convert to fraction form
8,642,394/18,879,351 = 18,879,351/x - Step 3: Cross multiply
8,642,394x = 18,879,351 × 18,879,351 - Step 4: Simplify right side
8,642,394x = 356,429,894,181,201 - Step 5: Solve for x
x = 356,429,894,181,201/8,642,394 - Step 6: Final answer
x = 41,242,032.49
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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.