Finding the Third Proportional to 688,221 and 1,481,895
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Solution
The third proportional to 688,221 and 1,481,895 is: 3,190,854.09
Step by Step Solution
- Step 1: Write the proportion equation
688,221 : 1,481,895 = 1,481,895 : x - Step 2: Convert to fraction form
688,221/1,481,895 = 1,481,895/x - Step 3: Cross multiply
688,221x = 1,481,895 × 1,481,895 - Step 4: Simplify right side
688,221x = 2,196,012,791,025 - Step 5: Solve for x
x = 2,196,012,791,025/688,221 - Step 6: Final answer
x = 3,190,854.09
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.