Finding the Third Proportional to 5,346 and 7,857
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Solution
The third proportional to 5,346 and 7,857 is: 11,547.41
Step by Step Solution
- Step 1: Write the proportion equation
5,346 : 7,857 = 7,857 : x - Step 2: Convert to fraction form
5,346/7,857 = 7,857/x - Step 3: Cross multiply
5,346x = 7,857 × 7,857 - Step 4: Simplify right side
5,346x = 61,732,449 - Step 5: Solve for x
x = 61,732,449/5,346 - Step 6: Final answer
x = 11,547.41
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.