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Finding the Third Proportional to 27,798 and 40,965

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Solution

The third proportional to 27,798 and 40,965 is: 60,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798 : 40,965 = 40,965 : x
  2. Step 2: Convert to fraction form
    27,798/40,965 = 40,965/x
  3. Step 3: Cross multiply
    27,798x = 40,965 × 40,965
  4. Step 4: Simplify right side
    27,798x = 1,678,131,225
  5. Step 5: Solve for x
    x = 1,678,131,225/27,798
  6. Step 6: Final answer
    x = 60,368.78

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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.