Finding the Third Proportional to 129,205,874 and 198,598,341
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Solution
The third proportional to 129,205,874 and 198,598,341 is: 305,259,349.49
Step by Step Solution
- Step 1: Write the proportion equation
129,205,874 : 198,598,341 = 198,598,341 : x - Step 2: Convert to fraction form
129,205,874/198,598,341 = 198,598,341/x - Step 3: Cross multiply
129,205,874x = 198,598,341 × 198,598,341 - Step 4: Simplify right side
129,205,874x = 39,441,301,047,952,280 - Step 5: Solve for x
x = 39,441,301,047,952,280/129,205,874 - Step 6: Final answer
x = 305,259,349.49
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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.