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Finding the Third Proportional to 39,722 and 58,244

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Solution

The third proportional to 39,722 and 58,244 is: 85,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722 : 58,244 = 58,244 : x
  2. Step 2: Convert to fraction form
    39,722/58,244 = 58,244/x
  3. Step 3: Cross multiply
    39,722x = 58,244 × 58,244
  4. Step 4: Simplify right side
    39,722x = 3,392,363,536
  5. Step 5: Solve for x
    x = 3,392,363,536/39,722
  6. Step 6: Final answer
    x = 85,402.64

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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.