Finding the Third Proportional to 917,769 and 1,968,395
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Solution
The third proportional to 917,769 and 1,968,395 is: 4,221,736.49
Step by Step Solution
- Step 1: Write the proportion equation
917,769 : 1,968,395 = 1,968,395 : x - Step 2: Convert to fraction form
917,769/1,968,395 = 1,968,395/x - Step 3: Cross multiply
917,769x = 1,968,395 × 1,968,395 - Step 4: Simplify right side
917,769x = 3,874,578,876,025 - Step 5: Solve for x
x = 3,874,578,876,025/917,769 - Step 6: Final answer
x = 4,221,736.49
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.