Finding the Third Proportional to 84,135,886 and 129,243,024
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Solution
The third proportional to 84,135,886 and 129,243,024 is: 198,533,111.69
Step by Step Solution
- Step 1: Write the proportion equation
84,135,886 : 129,243,024 = 129,243,024 : x - Step 2: Convert to fraction form
84,135,886/129,243,024 = 129,243,024/x - Step 3: Cross multiply
84,135,886x = 129,243,024 × 129,243,024 - Step 4: Simplify right side
84,135,886x = 16,703,759,252,664,576 - Step 5: Solve for x
x = 16,703,759,252,664,576/84,135,886 - Step 6: Final answer
x = 198,533,111.69
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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.