Finding the Third Proportional to 39,319,920 and 86,198,148
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Solution
The third proportional to 39,319,920 and 86,198,148 is: 188,965,814.75
Step by Step Solution
- Step 1: Write the proportion equation
39,319,920 : 86,198,148 = 86,198,148 : x - Step 2: Convert to fraction form
39,319,920/86,198,148 = 86,198,148/x - Step 3: Cross multiply
39,319,920x = 86,198,148 × 86,198,148 - Step 4: Simplify right side
39,319,920x = 7,430,120,718,629,904 - Step 5: Solve for x
x = 7,430,120,718,629,904/39,319,920 - Step 6: Final answer
x = 188,965,814.75
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.