Finding the Third Proportional to 669,816 and 936,911
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Solution
The third proportional to 669,816 and 936,911 is: 1,310,512.47
Step by Step Solution
- Step 1: Write the proportion equation
669,816 : 936,911 = 936,911 : x - Step 2: Convert to fraction form
669,816/936,911 = 936,911/x - Step 3: Cross multiply
669,816x = 936,911 × 936,911 - Step 4: Simplify right side
669,816x = 877,802,221,921 - Step 5: Solve for x
x = 877,802,221,921/669,816 - Step 6: Final answer
x = 1,310,512.47
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.