Finding the Third Proportional to 7,190,982.75 and 15,449,221.13
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Solution
The third proportional to 7,190,982.75 and 15,449,221.13 is: 33,191,351.12
Step by Step Solution
- Step 1: Write the proportion equation
7,190,982.75 : 15,449,221.13 = 15,449,221.13 : x - Step 2: Convert to fraction form
7,190,982.75/15,449,221.13 = 15,449,221.13/x - Step 3: Cross multiply
7,190,982.75x = 15,449,221.13 × 15,449,221.13 - Step 4: Simplify right side
7,190,982.75x = 238,678,433,369,146.25 - Step 5: Solve for x
x = 238,678,433,369,146.25/7,190,982.75 - Step 6: Final answer
x = 33,191,351.12
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.