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Finding the Third Proportional to 36,278 and 53,175

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Solution

The third proportional to 36,278 and 53,175 is: 77,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278 : 53,175 = 53,175 : x
  2. Step 2: Convert to fraction form
    36,278/53,175 = 53,175/x
  3. Step 3: Cross multiply
    36,278x = 53,175 × 53,175
  4. Step 4: Simplify right side
    36,278x = 2,827,580,625
  5. Step 5: Solve for x
    x = 2,827,580,625/36,278
  6. Step 6: Final answer
    x = 77,942.02

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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.