Finding the Third Proportional to 908,418 and 1,910,931
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Solution
The third proportional to 908,418 and 1,910,931 is: 4,019,798.47
Step by Step Solution
- Step 1: Write the proportion equation
908,418 : 1,910,931 = 1,910,931 : x - Step 2: Convert to fraction form
908,418/1,910,931 = 1,910,931/x - Step 3: Cross multiply
908,418x = 1,910,931 × 1,910,931 - Step 4: Simplify right side
908,418x = 3,651,657,286,761 - Step 5: Solve for x
x = 3,651,657,286,761/908,418 - Step 6: Final answer
x = 4,019,798.47
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.