Finding the Third Proportional to 8,340,421 and 18,115,383
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Solution
The third proportional to 8,340,421 and 18,115,383 is: 39,346,587.09
Step by Step Solution
- Step 1: Write the proportion equation
8,340,421 : 18,115,383 = 18,115,383 : x - Step 2: Convert to fraction form
8,340,421/18,115,383 = 18,115,383/x - Step 3: Cross multiply
8,340,421x = 18,115,383 × 18,115,383 - Step 4: Simplify right side
8,340,421x = 328,167,101,236,689 - Step 5: Solve for x
x = 328,167,101,236,689/8,340,421 - Step 6: Final answer
x = 39,346,587.09
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.