Finding the Third Proportional to 115,129,212 and 187,975,724
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Solution
The third proportional to 115,129,212 and 187,975,724 is: 306,914,919.33
Step by Step Solution
- Step 1: Write the proportion equation
115,129,212 : 187,975,724 = 187,975,724 : x - Step 2: Convert to fraction form
115,129,212/187,975,724 = 187,975,724/x - Step 3: Cross multiply
115,129,212x = 187,975,724 × 187,975,724 - Step 4: Simplify right side
115,129,212x = 35,334,872,813,324,176 - Step 5: Solve for x
x = 35,334,872,813,324,176/115,129,212 - Step 6: Final answer
x = 306,914,919.33
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Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.