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Finding the Third Proportional to 27,066 and 39,779

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Solution

The third proportional to 27,066 and 39,779 is: 58,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066 : 39,779 = 39,779 : x
  2. Step 2: Convert to fraction form
    27,066/39,779 = 39,779/x
  3. Step 3: Cross multiply
    27,066x = 39,779 × 39,779
  4. Step 4: Simplify right side
    27,066x = 1,582,368,841
  5. Step 5: Solve for x
    x = 1,582,368,841/27,066
  6. Step 6: Final answer
    x = 58,463.34

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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.