Finding the Third Proportional to 84,135,793 and 129,242,877
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Solution
The third proportional to 84,135,793 and 129,242,877 is: 198,532,879.52
Step by Step Solution
- Step 1: Write the proportion equation
84,135,793 : 129,242,877 = 129,242,877 : x - Step 2: Convert to fraction form
84,135,793/129,242,877 = 129,242,877/x - Step 3: Cross multiply
84,135,793x = 129,242,877 × 129,242,877 - Step 4: Simplify right side
84,135,793x = 16,703,721,255,237,128 - Step 5: Solve for x
x = 16,703,721,255,237,128/84,135,793 - Step 6: Final answer
x = 198,532,879.52
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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.