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Finding the Third Proportional to 38,396 and 51,600

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Solution

The third proportional to 38,396 and 51,600 is: 69,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396 : 51,600 = 51,600 : x
  2. Step 2: Convert to fraction form
    38,396/51,600 = 51,600/x
  3. Step 3: Cross multiply
    38,396x = 51,600 × 51,600
  4. Step 4: Simplify right side
    38,396x = 2,662,560,000
  5. Step 5: Solve for x
    x = 2,662,560,000/38,396
  6. Step 6: Final answer
    x = 69,344.72

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.