Finding the Third Proportional to 129,205,896 and 198,598,374
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Solution
The third proportional to 129,205,896 and 198,598,374 is: 305,259,398.96
Step by Step Solution
- Step 1: Write the proportion equation
129,205,896 : 198,598,374 = 198,598,374 : x - Step 2: Convert to fraction form
129,205,896/198,598,374 = 198,598,374/x - Step 3: Cross multiply
129,205,896x = 198,598,374 × 198,598,374 - Step 4: Simplify right side
129,205,896x = 39,441,314,155,443,872 - Step 5: Solve for x
x = 39,441,314,155,443,872/129,205,896 - Step 6: Final answer
x = 305,259,398.96
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.