Finding the Third Proportional to 18,192,766 and 39,803,840
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Solution
The third proportional to 18,192,766 and 39,803,840 is: 87,086,574.89
Step by Step Solution
- Step 1: Write the proportion equation
18,192,766 : 39,803,840 = 39,803,840 : x - Step 2: Convert to fraction form
18,192,766/39,803,840 = 39,803,840/x - Step 3: Cross multiply
18,192,766x = 39,803,840 × 39,803,840 - Step 4: Simplify right side
18,192,766x = 1,584,345,678,745,600 - Step 5: Solve for x
x = 1,584,345,678,745,600/18,192,766 - Step 6: Final answer
x = 87,086,574.89
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.