Finding the Third Proportional to 121,811,178 and 199,966,473
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Solution
The third proportional to 121,811,178 and 199,966,473 is: 328,267,002.92
Step by Step Solution
- Step 1: Write the proportion equation
121,811,178 : 199,966,473 = 199,966,473 : x - Step 2: Convert to fraction form
121,811,178/199,966,473 = 199,966,473/x - Step 3: Cross multiply
121,811,178x = 199,966,473 × 199,966,473 - Step 4: Simplify right side
121,811,178x = 39,986,590,324,059,728 - Step 5: Solve for x
x = 39,986,590,324,059,728/121,811,178 - Step 6: Final answer
x = 328,267,002.92
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These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.