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Finding the Third Proportional to 39,856 and 61,674

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Solution

The third proportional to 39,856 and 61,674 is: 95,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856 : 61,674 = 61,674 : x
  2. Step 2: Convert to fraction form
    39,856/61,674 = 61,674/x
  3. Step 3: Cross multiply
    39,856x = 61,674 × 61,674
  4. Step 4: Simplify right side
    39,856x = 3,803,682,276
  5. Step 5: Solve for x
    x = 3,803,682,276/39,856
  6. Step 6: Final answer
    x = 95,435.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.