Finding the Third Proportional to 7,129,242 and 15,394,839.75
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Solution
The third proportional to 7,129,242 and 15,394,839.75 is: 33,243,518.87
Step by Step Solution
- Step 1: Write the proportion equation
7,129,242 : 15,394,839.75 = 15,394,839.75 : x - Step 2: Convert to fraction form
7,129,242/15,394,839.75 = 15,394,839.75/x - Step 3: Cross multiply
7,129,242x = 15,394,839.75 × 15,394,839.75 - Step 4: Simplify right side
7,129,242x = 237,001,090,928,180.06 - Step 5: Solve for x
x = 237,001,090,928,180.06/7,129,242 - Step 6: Final answer
x = 33,243,518.87
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.