Finding the Third Proportional to 78,461 and 171,593
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Solution
The third proportional to 78,461 and 171,593 is: 375,271.25
Step by Step Solution
- Step 1: Write the proportion equation
78,461 : 171,593 = 171,593 : x - Step 2: Convert to fraction form
78,461/171,593 = 171,593/x - Step 3: Cross multiply
78,461x = 171,593 × 171,593 - Step 4: Simplify right side
78,461x = 29,444,157,649 - Step 5: Solve for x
x = 29,444,157,649/78,461 - Step 6: Final answer
x = 375,271.25
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.