Finding the Third Proportional to 209,901,480 and 329,243,652
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Solution
The third proportional to 209,901,480 and 329,243,652 is: 516,439,342.79
Step by Step Solution
- Step 1: Write the proportion equation
209,901,480 : 329,243,652 = 329,243,652 : x - Step 2: Convert to fraction form
209,901,480/329,243,652 = 329,243,652/x - Step 3: Cross multiply
209,901,480x = 329,243,652 × 329,243,652 - Step 4: Simplify right side
209,901,480x = 108,401,382,382,297,104 - Step 5: Solve for x
x = 108,401,382,382,297,104/209,901,480 - Step 6: Final answer
x = 516,439,342.79
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.