Finding the Third Proportional to 3,555,209 and 7,879,135
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Solution
The third proportional to 3,555,209 and 7,879,135 is: 17,461,918.09
Step by Step Solution
- Step 1: Write the proportion equation
3,555,209 : 7,879,135 = 7,879,135 : x - Step 2: Convert to fraction form
3,555,209/7,879,135 = 7,879,135/x - Step 3: Cross multiply
3,555,209x = 7,879,135 × 7,879,135 - Step 4: Simplify right side
3,555,209x = 62,080,768,348,225 - Step 5: Solve for x
x = 62,080,768,348,225/3,555,209 - Step 6: Final answer
x = 17,461,918.09
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.