Finding the Third Proportional to 18,814,894 and 39,890,605
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Solution
The third proportional to 18,814,894 and 39,890,605 is: 84,574,506.09
Step by Step Solution
- Step 1: Write the proportion equation
18,814,894 : 39,890,605 = 39,890,605 : x - Step 2: Convert to fraction form
18,814,894/39,890,605 = 39,890,605/x - Step 3: Cross multiply
18,814,894x = 39,890,605 × 39,890,605 - Step 4: Simplify right side
18,814,894x = 1,591,260,367,266,025 - Step 5: Solve for x
x = 1,591,260,367,266,025/18,814,894 - Step 6: Final answer
x = 84,574,506.09
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.