Finding the Third Proportional to 129,204,369 and 198,596,457
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Solution
The third proportional to 129,204,369 and 198,596,457 is: 305,257,113.50
Step by Step Solution
- Step 1: Write the proportion equation
129,204,369 : 198,596,457 = 198,596,457 : x - Step 2: Convert to fraction form
129,204,369/198,596,457 = 198,596,457/x - Step 3: Cross multiply
129,204,369x = 198,596,457 × 198,596,457 - Step 4: Simplify right side
129,204,369x = 39,440,552,732,952,848 - Step 5: Solve for x
x = 39,440,552,732,952,848/129,204,369 - Step 6: Final answer
x = 305,257,113.50
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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.