Finding the Third Proportional to 535,408 and 861,000
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Solution
The third proportional to 535,408 and 861,000 is: 1,384,590.82
Step by Step Solution
- Step 1: Write the proportion equation
535,408 : 861,000 = 861,000 : x - Step 2: Convert to fraction form
535,408/861,000 = 861,000/x - Step 3: Cross multiply
535,408x = 861,000 × 861,000 - Step 4: Simplify right side
535,408x = 741,321,000,000 - Step 5: Solve for x
x = 741,321,000,000/535,408 - Step 6: Final answer
x = 1,384,590.82
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.