Finding the Third Proportional to 12,363,638 and 18,912,609
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Solution
The third proportional to 12,363,638 and 18,912,609 is: 28,930,544.49
Step by Step Solution
- Step 1: Write the proportion equation
12,363,638 : 18,912,609 = 18,912,609 : x - Step 2: Convert to fraction form
12,363,638/18,912,609 = 18,912,609/x - Step 3: Cross multiply
12,363,638x = 18,912,609 × 18,912,609 - Step 4: Simplify right side
12,363,638x = 357,686,779,186,881 - Step 5: Solve for x
x = 357,686,779,186,881/12,363,638 - Step 6: Final answer
x = 28,930,544.49
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.