Finding the Third Proportional to 84,135,790.13 and 129,242,877.19
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Solution
The third proportional to 84,135,790.13 and 129,242,877.19 is: 198,532,886.88
Step by Step Solution
- Step 1: Write the proportion equation
84,135,790.13 : 129,242,877.19 = 129,242,877.19 : x - Step 2: Convert to fraction form
84,135,790.13/129,242,877.19 = 129,242,877.19/x - Step 3: Cross multiply
84,135,790.13x = 129,242,877.19 × 129,242,877.19 - Step 4: Simplify right side
84,135,790.13x = 16,703,721,303,703,208 - Step 5: Solve for x
x = 16,703,721,303,703,208/84,135,790.13 - Step 6: Final answer
x = 198,532,886.88
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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.