Finding the Third Proportional to 7,220,718 and 15,858,684
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Solution
The third proportional to 7,220,718 and 15,858,684 is: 34,830,034.66
Step by Step Solution
- Step 1: Write the proportion equation
7,220,718 : 15,858,684 = 15,858,684 : x - Step 2: Convert to fraction form
7,220,718/15,858,684 = 15,858,684/x - Step 3: Cross multiply
7,220,718x = 15,858,684 × 15,858,684 - Step 4: Simplify right side
7,220,718x = 251,497,858,211,856 - Step 5: Solve for x
x = 251,497,858,211,856/7,220,718 - Step 6: Final answer
x = 34,830,034.66
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.