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Finding the Third Proportional to 71,383 and 107,074

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Solution

The third proportional to 71,383 and 107,074 is: 160,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383 : 107,074 = 107,074 : x
  2. Step 2: Convert to fraction form
    71,383/107,074 = 107,074/x
  3. Step 3: Cross multiply
    71,383x = 107,074 × 107,074
  4. Step 4: Simplify right side
    71,383x = 11,464,841,476
  5. Step 5: Solve for x
    x = 11,464,841,476/71,383
  6. Step 6: Final answer
    x = 160,610.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.