Finding the Third Proportional to 20,993,914 and 31,381,575
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Solution
The third proportional to 20,993,914 and 31,381,575 is: 46,908,987.50
Step by Step Solution
- Step 1: Write the proportion equation
20,993,914 : 31,381,575 = 31,381,575 : x - Step 2: Convert to fraction form
20,993,914/31,381,575 = 31,381,575/x - Step 3: Cross multiply
20,993,914x = 31,381,575 × 31,381,575 - Step 4: Simplify right side
20,993,914x = 984,803,249,480,625 - Step 5: Solve for x
x = 984,803,249,480,625/20,993,914 - Step 6: Final answer
x = 46,908,987.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.