Finding the Third Proportional to 198,381,312 and 427,161,600
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Solution
The third proportional to 198,381,312 and 427,161,600 is: 919,779,341.49
Step by Step Solution
- Step 1: Write the proportion equation
198,381,312 : 427,161,600 = 427,161,600 : x - Step 2: Convert to fraction form
198,381,312/427,161,600 = 427,161,600/x - Step 3: Cross multiply
198,381,312x = 427,161,600 × 427,161,600 - Step 4: Simplify right side
198,381,312x = 182,467,032,514,560,000 - Step 5: Solve for x
x = 182,467,032,514,560,000/198,381,312 - Step 6: Final answer
x = 919,779,341.49
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.