Finding the Third Proportional to 84,135,790.97 and 129,242,873.53
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Solution
The third proportional to 84,135,790.97 and 129,242,873.53 is: 198,532,873.66
Step by Step Solution
- Step 1: Write the proportion equation
84,135,790.97 : 129,242,873.53 = 129,242,873.53 : x - Step 2: Convert to fraction form
84,135,790.97/129,242,873.53 = 129,242,873.53/x - Step 3: Cross multiply
84,135,790.97x = 129,242,873.53 × 129,242,873.53 - Step 4: Simplify right side
84,135,790.97x = 16,703,720,358,614,682 - Step 5: Solve for x
x = 16,703,720,358,614,682/84,135,790.97 - Step 6: Final answer
x = 198,532,873.66
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.